97421610 has 64 divisors (see below), whose sum is σ = 274700160. Its totient is φ = 21799680.

The previous prime is 97421609. The next prime is 97421627. The reversal of 97421610 is 1612479.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7065 + ... + 15644.

It is an arithmetic number, because the mean of its divisors is an integer number (4292190).

Almost surely, 2^97421610 is an apocalyptic number.

97421610 is an abundant number, since it is smaller than the sum of its proper divisors (177278550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97421610 is a wasteful number, since it uses less digits than its factorization.

97421610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22743.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 97421610 is about 9870.2385989397. The cubic root of 97421610 is about 460.1348218547.

The spelling of 97421610 in words is "ninety-seven million, four hundred twenty-one thousand, six hundred ten".