38398465 has 16 divisors (see below), whose sum is σ = 54478080. Its totient is φ = 25421760.

The previous prime is 38398421. The next prime is 38398471. The reversal of 38398465 is 56489383.

It is not a de Polignac number, because 38398465 - 2⁷ = 38398337 is a prime.

It is a super-2 number, since 2×38398465² = 2948884228712450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17901 + ... + 19930.

It is an arithmetic number, because the mean of its divisors is an integer number (3404880).

Almost surely, 2^38398465 is an apocalyptic number.

38398465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38398465 is a deficient number, since it is larger than the sum of its proper divisors (16079615).

38398465 is a wasteful number, since it uses less digits than its factorization.

38398465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37872.

The product of its digits is 622080, while the sum is 46.

The square root of 38398465 is about 6196.6494979142. The cubic root of 38398465 is about 337.3685706818.

The spelling of 38398465 in words is "thirty-eight million, three hundred ninety-eight thousand, four hundred sixty-five".