97649015 has 8 divisors (see below), whose sum is σ = 117434688. Its totient is φ = 77948640.

The previous prime is 97648981. The next prime is 97649017. The reversal of 97649015 is 51094679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97649015 - 2⁶ = 97648951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97649017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18776 + ... + 23405.

It is an arithmetic number, because the mean of its divisors is an integer number (14679336).

Almost surely, 2^97649015 is an apocalyptic number.

97649015 is a deficient number, since it is larger than the sum of its proper divisors (19785673).

97649015 is a wasteful number, since it uses less digits than its factorization.

97649015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42649.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 97649015 is about 9881.7516159839. The cubic root of 97649015 is about 460.4925646896.

The spelling of 97649015 in words is "ninety-seven million, six hundred forty-nine thousand, fifteen".