23897806 has 16 divisors (see below), whose sum is σ = 36823248. Its totient is φ = 11627200.

The previous prime is 23897803. The next prime is 23897813. The reversal of 23897806 is 60879832.

It is a super-2 number, since 2×23897806² = 1142210263227272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23897803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13026 + ... + 14746.

It is an arithmetic number, because the mean of its divisors is an integer number (2301453).

Almost surely, 2^23897806 is an apocalyptic number.

23897806 is a deficient number, since it is larger than the sum of its proper divisors (12925442).

23897806 is a wasteful number, since it uses less digits than its factorization.

23897806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 23897806 is about 4888.5382273232. The cubic root of 23897806 is about 288.0399169852.

The spelling of 23897806 in words is "twenty-three million, eight hundred ninety-seven thousand, eight hundred six".