97621954 has 16 divisors (see below), whose sum is σ = 151335360. Its totient is φ = 47199600.

The previous prime is 97621921. The next prime is 97621957. The reversal of 97621954 is 45912679.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 97621954.

It is not an unprimeable number, because it can be changed into a prime (97621957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3067 + ... + 14305.

It is an arithmetic number, because the mean of its divisors is an integer number (9458460).

Almost surely, 2^97621954 is an apocalyptic number.

97621954 is a deficient number, since it is larger than the sum of its proper divisors (53713406).

97621954 is a wasteful number, since it uses less digits than its factorization.

97621954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11385.

The product of its digits is 136080, while the sum is 43.

The square root of 97621954 is about 9880.3822800537. The cubic root of 97621954 is about 460.4500227326.

The spelling of 97621954 in words is "ninety-seven million, six hundred twenty-one thousand, nine hundred fifty-four".