352390638 has 8 divisors (see below), whose sum is σ = 704781288. Its totient is φ = 117463544.

The previous prime is 352390573. The next prime is 352390651. The reversal of 352390638 is 836093253.

It is a sphenic number, since it is the product of 3 distinct primes.

352390638 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 352390596 and 352390605.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29365881 + ... + 29365892.

It is an arithmetic number, because the mean of its divisors is an integer number (88097661).

Almost surely, 2^352390638 is an apocalyptic number.

352390638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

352390638 is a wasteful number, since it uses less digits than its factorization.

352390638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58731778.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 352390638 is about 18772.0706902568. The cubic root of 352390638 is about 706.3307614538.

The spelling of 352390638 in words is "three hundred fifty-two million, three hundred ninety thousand, six hundred thirty-eight".