354857644 has 6 divisors (see below), whose sum is σ = 621000884. Its totient is φ = 177428820.

The previous prime is 354857621. The next prime is 354857669. The reversal of 354857644 is 446758453.

It is a junction number, because it is equal to n+sod(n) for n = 354857594 and 354857603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44357202 + ... + 44357209.

Almost surely, 2^354857644 is an apocalyptic number.

It is an amenable number.

354857644 is a deficient number, since it is larger than the sum of its proper divisors (266143240).

354857644 is a wasteful number, since it uses less digits than its factorization.

354857644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88714415 (or 88714413 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 46.

The square root of 354857644 is about 18837.6655666248. The cubic root of 354857644 is about 707.9752164498.

The spelling of 354857644 in words is "three hundred fifty-four million, eight hundred fifty-seven thousand, six hundred forty-four".