97893405 has 24 divisors (see below), whose sum is σ = 177061248. Its totient is φ = 49939296.

The previous prime is 97893401. The next prime is 97893407. The reversal of 97893405 is 50439879.

It is not a de Polignac number, because 97893405 - 2² = 97893401 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97893401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46257 + ... + 48326.

It is an arithmetic number, because the mean of its divisors is an integer number (7377552).

Almost surely, 2^97893405 is an apocalyptic number.

It is an amenable number.

97893405 is a deficient number, since it is larger than the sum of its proper divisors (79167843).

97893405 is a wasteful number, since it uses less digits than its factorization.

97893405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94617 (or 94614 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 97893405 is about 9894.1096112788. The cubic root of 97893405 is about 460.8764088833.

The spelling of 97893405 in words is "ninety-seven million, eight hundred ninety-three thousand, four hundred five".