351420432 has 40 divisors (see below), whose sum is σ = 990368160. Its totient is φ = 106490880.

The previous prime is 351420431. The next prime is 351420449. The reversal of 351420432 is 234024153.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (351420431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332257 + ... + 333312.

It is an arithmetic number, because the mean of its divisors is an integer number (24759204).

Almost surely, 2^351420432 is an apocalyptic number.

It is an amenable number.

351420432 is an abundant number, since it is smaller than the sum of its proper divisors (638947728).

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

351420432 is a wasteful number, since it uses less digits than its factorization.

351420432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665591 (or 665585 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 351420432 is about 18746.2111371872. The cubic root of 351420432 is about 705.6819396206.

Adding to 351420432 its reverse (234024153), we get a palindrome (585444585).

The spelling of 351420432 in words is "three hundred fifty-one million, four hundred twenty thousand, four hundred thirty-two".