997800462 has 24 divisors (see below), whose sum is σ = 2163880056. Its totient is φ = 332295696.

The previous prime is 997800443. The next prime is 997800473. The reversal of 997800462 is 264008799.

It is a happy number.

It is a super-3 number, since 3×997800462³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4708 + ... + 44919.

It is an arithmetic number, because the mean of its divisors is an integer number (90161669).

Almost surely, 2^997800462 is an apocalyptic number.

997800462 is an abundant number, since it is smaller than the sum of its proper divisors (1166079594).

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

997800462 is a wasteful number, since it uses less digits than its factorization.

997800462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50752 (or 50749 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 997800462 is about 31587.9797074773. The cubic root of 997800462 is about 999.2662824569.

The spelling of 997800462 in words is "nine hundred ninety-seven million, eight hundred thousand, four hundred sixty-two".