352731996 has 72 divisors (see below), whose sum is σ = 934066224. Its totient is φ = 116380800.

The previous prime is 352731991. The next prime is 352732001. The reversal of 352731996 is 699137253.

352731996 is a `hidden beast` number, since 3 + 527 + 31 + 9 + 96 = 666.

It is an interprime number because it is at equal distance from previous prime (352731991) and next prime (352732001).

It is a super-2 number, since 2×352731996² = 248839722004288032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352731991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96376 + ... + 99968.

It is an arithmetic number, because the mean of its divisors is an integer number (12973142).

Almost surely, 2^352731996 is an apocalyptic number.

352731996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 352731996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467033112).

352731996 is an abundant number, since it is smaller than the sum of its proper divisors (581334228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

352731996 is a wasteful number, since it uses less digits than its factorization.

352731996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713 (or 3699 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 352731996 is about 18781.1606670088. The cubic root of 352731996 is about 706.5587601742.

The spelling of 352731996 in words is "three hundred fifty-two million, seven hundred thirty-one thousand, nine hundred ninety-six".