738400857 has 16 divisors (see below), whose sum is σ = 1061632320. Its totient is φ = 454982400.

The previous prime is 738400853. The next prime is 738400867. The reversal of 738400857 is 758004837.

It is not a de Polignac number, because 738400857 - 2² = 738400853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (738400853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155644 + ... + 160317.

It is an arithmetic number, because the mean of its divisors is an integer number (66352020).

Almost surely, 2^738400857 is an apocalyptic number.

It is an amenable number.

738400857 is a deficient number, since it is larger than the sum of its proper divisors (323231463).

738400857 is a wasteful number, since it uses less digits than its factorization.

738400857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316024.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 738400857 is about 27173.5322878716. The cubic root of 738400857 is about 903.8521540299.

The spelling of 738400857 in words is "seven hundred thirty-eight million, four hundred thousand, eight hundred fifty-seven".