351804132 has 72 divisors (see below), whose sum is σ = 905355360. Its totient is φ = 115167360.

The previous prime is 351804107. The next prime is 351804139. The reversal of 351804132 is 231408153.

It is a happy number.

It is a super-2 number, since 2×351804132² = 247532294584546848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 351804096 and 351804105.

It is not an unprimeable number, because it can be changed into a prime (351804139) 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, 839419 + ... + 839837.

It is an arithmetic number, because the mean of its divisors is an integer number (12574380).

Almost surely, 2^351804132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351804132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452677680).

351804132 is an abundant number, since it is smaller than the sum of its proper divisors (553551228).

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

351804132 is a wasteful number, since it uses less digits than its factorization.

351804132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 351804132 is about 18756.4424132083. The cubic root of 351804132 is about 705.9386802159.

The spelling of 351804132 in words is "three hundred fifty-one million, eight hundred four thousand, one hundred thirty-two".