97280292 has 12 divisors (see below), whose sum is σ = 226987376. Its totient is φ = 32426760.

The previous prime is 97280291. The next prime is 97280327. The reversal of 97280292 is 29208279.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 97280292.

It is not an unprimeable number, because it can be changed into a prime (97280291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4053334 + ... + 4053357.

Almost surely, 2^97280292 is an apocalyptic number.

It is an amenable number.

97280292 is an abundant number, since it is smaller than the sum of its proper divisors (129707084).

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

97280292 is a wasteful number, since it uses less digits than its factorization.

97280292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8106698 (or 8106696 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 97280292 is about 9863.0772074439. The cubic root of 97280292 is about 459.9122264790.

It can be divided in two parts, 9 and 7280292, that multiplied together give a triangular number (65522628 = T₁₁₄₄₇).

The spelling of 97280292 in words is "ninety-seven million, two hundred eighty thousand, two hundred ninety-two".