97405869 has 16 divisors (see below), whose sum is σ = 150016320. Its totient is φ = 55560960.

The previous prime is 97405859. The next prime is 97405877. The reversal of 97405869 is 96850479.

It is not a de Polignac number, because 97405869 - 2⁴ = 97405853 is a prime.

It is a super-2 number, since 2×97405869² = 18975806631290322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97405849) 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, 86254 + ... + 87375.

It is an arithmetic number, because the mean of its divisors is an integer number (9376020).

Almost surely, 2^97405869 is an apocalyptic number.

It is an amenable number.

97405869 is a deficient number, since it is larger than the sum of its proper divisors (52610451).

97405869 is a wasteful number, since it uses less digits than its factorization.

97405869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173660.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 97405869 is about 9869.4411695901. The cubic root of 97405869 is about 460.1100382625.

The spelling of 97405869 in words is "ninety-seven million, four hundred five thousand, eight hundred sixty-nine".