97894161 has 24 divisors (see below), whose sum is σ = 144218880. Its totient is φ = 63974400.

The previous prime is 97894129. The next prime is 97894163. The reversal of 97894161 is 16149879.

It is a happy number.

It is not a de Polignac number, because 97894161 - 2⁵ = 97894129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97894163) 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, 152401 + ... + 153041.

It is an arithmetic number, because the mean of its divisors is an integer number (6009120).

Almost surely, 2^97894161 is an apocalyptic number.

It is an amenable number.

97894161 is a deficient number, since it is larger than the sum of its proper divisors (46324719).

97894161 is a wasteful number, since it uses less digits than its factorization.

97894161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 954 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 97894161 is about 9894.1478157545. The cubic root of 97894161 is about 460.8775952815.

The spelling of 97894161 in words is "ninety-seven million, eight hundred ninety-four thousand, one hundred sixty-one".