357397434 has 40 divisors (see below), whose sum is σ = 808647840. Its totient is φ = 117970344.

The previous prime is 357397423. The next prime is 357397459. The reversal of 357397434 is 434793753.

It is a happy number.

357397434 is a `hidden beast` number, since 3 + 573 + 9 + 74 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 357397434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5977 + ... + 27395.

It is an arithmetic number, because the mean of its divisors is an integer number (20216196).

Almost surely, 2^357397434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 357397434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404323920).

357397434 is an abundant number, since it is smaller than the sum of its proper divisors (451250406).

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

357397434 is a wasteful number, since it uses less digits than its factorization.

357397434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21536 (or 21527 counting only the distinct ones).

The product of its digits is 952560, while the sum is 45.

The square root of 357397434 is about 18904.9579211380. The cubic root of 357397434 is about 709.6602447700.

The spelling of 357397434 in words is "three hundred fifty-seven million, three hundred ninety-seven thousand, four hundred thirty-four".