997459486 has 16 divisors (see below), whose sum is σ = 1505228400. Its totient is φ = 495724608.

The previous prime is 997459471. The next prime is 997459499. The reversal of 997459486 is 684954799.

997459486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×997459486² = 1989850852422768392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328885 + ... + 331903.

It is an arithmetic number, because the mean of its divisors is an integer number (94076775).

Almost surely, 2^997459486 is an apocalyptic number.

997459486 is a deficient number, since it is larger than the sum of its proper divisors (507768914).

997459486 is a wasteful number, since it uses less digits than its factorization.

997459486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963.

The product of its digits is 19595520, while the sum is 61.

The square root of 997459486 is about 31582.5820033765. The cubic root of 997459486 is about 999.1524438515.

The spelling of 997459486 in words is "nine hundred ninety-seven million, four hundred fifty-nine thousand, four hundred eighty-six".