97950917 has 4 divisors (see below), whose sum is σ = 101110656. Its totient is φ = 94791180.

The previous prime is 97950913. The next prime is 97950949. The reversal of 97950917 is 71905979.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71905979 = 1997 ⋅36007.

It is not a de Polignac number, because 97950917 - 2² = 97950913 is a prime.

It is a super-2 number, since 2×97950917² = 19188764282281778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97950913) 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, 1579823 + ... + 1579884.

It is an arithmetic number, because the mean of its divisors is an integer number (25277664).

Almost surely, 2^97950917 is an apocalyptic number.

It is an amenable number.

97950917 is a deficient number, since it is larger than the sum of its proper divisors (3159739).

97950917 is a wasteful number, since it uses less digits than its factorization.

97950917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159738.

The product of its (nonzero) digits is 178605, while the sum is 47.

The square root of 97950917 is about 9897.0155602586. The cubic root of 97950917 is about 460.9666455886.

The spelling of 97950917 in words is "ninety-seven million, nine hundred fifty thousand, nine hundred seventeen".