97280590 has 16 divisors (see below), whose sum is σ = 191023920. Its totient is φ = 35374720.

The previous prime is 97280581. The next prime is 97280591. The reversal of 97280590 is 9508279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97280591) 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 7 ways as a sum of consecutive naturals, for example, 442075 + ... + 442294.

It is an arithmetic number, because the mean of its divisors is an integer number (11938995).

Almost surely, 2^97280590 is an apocalyptic number.

97280590 is a deficient number, since it is larger than the sum of its proper divisors (93743330).

97280590 is a wasteful number, since it uses less digits than its factorization.

97280590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884387.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 97280590 is about 9863.0923142795. The cubic root of 97280590 is about 459.9126960970.

The spelling of 97280590 in words is "ninety-seven million, two hundred eighty thousand, five hundred ninety".