1990600974 has 16 divisors (see below), whose sum is σ = 4423557840. Its totient is φ = 663533640.

The previous prime is 1990600951. The next prime is 1990600979. The reversal of 1990600974 is 4790060991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1990600979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18431437 + ... + 18431544.

It is an arithmetic number, because the mean of its divisors is an integer number (276472365).

Almost surely, 2^1990600974 is an apocalyptic number.

1990600974 is an abundant number, since it is smaller than the sum of its proper divisors (2432956866).

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

1990600974 is a wasteful number, since it uses less digits than its factorization.

1990600974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36862992 (or 36862986 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 1990600974 is about 44616.1514924808. The cubic root of 1990600974 is about 1257.9442782477.

The spelling of 1990600974 in words is "one billion, nine hundred ninety million, six hundred thousand, nine hundred seventy-four".