390853172 has 12 divisors (see below), whose sum is σ = 689215296. Its totient is φ = 193934520.

The previous prime is 390853159. The next prime is 390853207. The reversal of 390853172 is 271358093.

It is a super-3 number, since 3×390853172³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372428 + ... + 373475.

It is an arithmetic number, because the mean of its divisors is an integer number (57434608).

Almost surely, 2^390853172 is an apocalyptic number.

It is an amenable number.

390853172 is a deficient number, since it is larger than the sum of its proper divisors (298362124).

390853172 is a wasteful number, since it uses less digits than its factorization.

390853172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746038 (or 746036 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 390853172 is about 19770.0068791086. The cubic root of 390853172 is about 731.1467383640.

The spelling of 390853172 in words is "three hundred ninety million, eight hundred fifty-three thousand, one hundred seventy-two".