1990058700 has 72 divisors (see below), whose sum is σ = 6580467712. Its totient is φ = 454870080.

The previous prime is 1990058663. The next prime is 1990058711. The reversal of 1990058700 is 78500991.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471724 + ... + 475923.

Almost surely, 2^1990058700 is an apocalyptic number.

1990058700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1990058700 is an abundant number, since it is smaller than the sum of its proper divisors (4590409012).

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

1990058700 is a wasteful number, since it uses less digits than its factorization.

1990058700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947671 (or 947664 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 1990058700 is about 44610.0739743839. The cubic root of 1990058700 is about 1257.8300393089.

The spelling of 1990058700 in words is "one billion, nine hundred ninety million, fifty-eight thousand, seven hundred".