97951893 has 24 divisors (see below), whose sum is σ = 144742752. Its totient is φ = 58863168.

The previous prime is 97951891. The next prime is 97951907. The reversal of 97951893 is 39815979.

It is a happy number.

It is not a de Polignac number, because 97951893 - 2¹ = 97951891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97951891) 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 23 ways as a sum of consecutive naturals, for example, 19555 + ... + 24047.

It is an arithmetic number, because the mean of its divisors is an integer number (6030948).

Almost surely, 2^97951893 is an apocalyptic number.

It is an amenable number.

97951893 is a deficient number, since it is larger than the sum of its proper divisors (46790859).

97951893 is a wasteful number, since it uses less digits than its factorization.

97951893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565 (or 4552 counting only the distinct ones).

The product of its digits is 612360, while the sum is 51.

The square root of 97951893 is about 9897.0648679293. The cubic root of 97951893 is about 460.9681766342.

The spelling of 97951893 in words is "ninety-seven million, nine hundred fifty-one thousand, eight hundred ninety-three".