1997461662 has 32 divisors (see below), whose sum is σ = 4608306432. Its totient is φ = 565368384.

The previous prime is 1997461651. The next prime is 1997461679. The reversal of 1997461662 is 2661647991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217743 + ... + 226730.

It is an arithmetic number, because the mean of its divisors is an integer number (144009576).

Almost surely, 2^1997461662 is an apocalyptic number.

1997461662 is an abundant number, since it is smaller than the sum of its proper divisors (2610844770).

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

1997461662 is a wasteful number, since it uses less digits than its factorization.

1997461662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444592.

The product of its digits is 979776, while the sum is 51.

The square root of 1997461662 is about 44692.9710580982. The cubic root of 1997461662 is about 1259.3878066596.

The spelling of 1997461662 in words is "one billion, nine hundred ninety-seven million, four hundred sixty-one thousand, six hundred sixty-two".