97339815 has 12 divisors (see below), whose sum is σ = 168722424. Its totient is φ = 51914544.

The previous prime is 97339799. The next prime is 97339817. The reversal of 97339815 is 51893379.

It is a happy number.

It is not a de Polignac number, because 97339815 - 2⁴ = 97339799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2163107 = 97339815 / (9 + 7 + 3 + 3 + 9 + 8 + 1 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97339817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1081509 + ... + 1081598.

It is an arithmetic number, because the mean of its divisors is an integer number (14060202).

Almost surely, 2^97339815 is an apocalyptic number.

97339815 is a deficient number, since it is larger than the sum of its proper divisors (71382609).

97339815 is a wasteful number, since it uses less digits than its factorization.

97339815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163118 (or 2163115 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 97339815 is about 9866.0942119970. The cubic root of 97339815 is about 460.0060096883.

The spelling of 97339815 in words is "ninety-seven million, three hundred thirty-nine thousand, eight hundred fifteen".