738955897 has 16 divisors (see below), whose sum is σ = 785419264. Its totient is φ = 694008000.

The previous prime is 738955883. The next prime is 738955909. The reversal of 738955897 is 798559837.

It is a cyclic number.

It is not a de Polignac number, because 738955897 - 2²³ = 730567289 is a prime.

It is a super-2 number, since 2×738955897² = 1092111635422149218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738955807) 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, 723247 + ... + 724267.

It is an arithmetic number, because the mean of its divisors is an integer number (49088704).

Almost surely, 2^738955897 is an apocalyptic number.

It is an amenable number.

738955897 is a deficient number, since it is larger than the sum of its proper divisors (46463367).

738955897 is a wasteful number, since it uses less digits than its factorization.

738955897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720.

The product of its digits is 19051200, while the sum is 61.

The square root of 738955897 is about 27183.7432484932. The cubic root of 738955897 is about 904.0785660337.

The spelling of 738955897 in words is "seven hundred thirty-eight million, nine hundred fifty-five thousand, eight hundred ninety-seven".