97949215 has 16 divisors (see below), whose sum is σ = 144664128. Its totient is φ = 61998336.

The previous prime is 97949207. The next prime is 97949219. The reversal of 97949215 is 51294979.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 97949215 - 2³ = 97949207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97949219) 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, 107182 + ... + 108091.

It is an arithmetic number, because the mean of its divisors is an integer number (9041508).

Almost surely, 2^97949215 is an apocalyptic number.

97949215 is a deficient number, since it is larger than the sum of its proper divisors (46714913).

97949215 is a wasteful number, since it uses less digits than its factorization.

97949215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215298.

The product of its digits is 204120, while the sum is 46.

The square root of 97949215 is about 9896.9295743680. The cubic root of 97949215 is about 460.9639756467.

The spelling of 97949215 in words is "ninety-seven million, nine hundred forty-nine thousand, two hundred fifteen".