352949142 has 64 divisors (see below), whose sum is σ = 892329984. Its totient is φ = 90564480.

The previous prime is 352949131. The next prime is 352949143. The reversal of 352949142 is 241949253.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 352949142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352949143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11467 + ... + 28937.

It is an arithmetic number, because the mean of its divisors is an integer number (13942656).

Almost surely, 2^352949142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 352949142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446164992).

352949142 is an abundant number, since it is smaller than the sum of its proper divisors (539380842).

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

352949142 is a wasteful number, since it uses less digits than its factorization.

352949142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17533.

The product of its digits is 77760, while the sum is 39.

The square root of 352949142 is about 18786.9407301987. The cubic root of 352949142 is about 706.7037190829.

The spelling of 352949142 in words is "three hundred fifty-two million, nine hundred forty-nine thousand, one hundred forty-two".