1997413264 has 60 divisors (see below), whose sum is σ = 4911100848. Its totient is φ = 778209600.

The previous prime is 1997413261. The next prime is 1997413273. The reversal of 1997413264 is 4623147991.

It is not an unprimeable number, because it can be changed into a prime (1997413261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107182 + ... + 124429.

Almost surely, 2^1997413264 is an apocalyptic number.

1997413264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1997413264 is an abundant number, since it is smaller than the sum of its proper divisors (2913687584).

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

1997413264 is a wasteful number, since it uses less digits than its factorization.

1997413264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231644 (or 231631 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 1997413264 is about 44692.4296050237. The cubic root of 1997413264 is about 1259.3776350262.

The spelling of 1997413264 in words is "one billion, nine hundred ninety-seven million, four hundred thirteen thousand, two hundred sixty-four".