97686994 has 8 divisors (see below), whose sum is σ = 148537980. Its totient is φ = 48174336.

The previous prime is 97686989. The next prime is 97686997. The reversal of 97686994 is 49968679.

It can be written as a sum of positive squares in 2 ways, for example, as 84400969 + 13286025 = 9187^2 + 3645^2 .

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

It is a super-3 number, since 3×97686994³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (97686997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334399 + ... + 334690.

Almost surely, 2^97686994 is an apocalyptic number.

97686994 is a deficient number, since it is larger than the sum of its proper divisors (50850986).

97686994 is a wasteful number, since it uses less digits than its factorization.

97686994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669164.

The product of its digits is 5878656, while the sum is 58.

The square root of 97686994 is about 9883.6731026476. The cubic root of 97686994 is about 460.5522573219.

The spelling of 97686994 in words is "ninety-seven million, six hundred eighty-six thousand, nine hundred ninety-four".