997059492 has 72 divisors (see below), whose sum is σ = 2960979840. Its totient is φ = 278896320.

The previous prime is 997059487. The next prime is 997059517. The reversal of 997059492 is 294950799.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91692 + ... + 101987.

It is an arithmetic number, because the mean of its divisors is an integer number (41124720).

Almost surely, 2^997059492 is an apocalyptic number.

It is an amenable number.

997059492 is an abundant number, since it is smaller than the sum of its proper divisors (1963920348).

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

997059492 is a wasteful number, since it uses less digits than its factorization.

997059492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193713 (or 193708 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 997059492 is about 31576.2488589129. The cubic root of 997059492 is about 999.0188683622.

The spelling of 997059492 in words is "nine hundred ninety-seven million, fifty-nine thousand, four hundred ninety-two".