1992761430 has 32 divisors (see below), whose sum is σ = 5217412608. Its totient is φ = 483093600.

The previous prime is 1992761399. The next prime is 1992761453. The reversal of 1992761430 is 341672991.

It is a Curzon number.

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, 3019006 + ... + 3019665.

It is an arithmetic number, because the mean of its divisors is an integer number (163044144).

Almost surely, 2^1992761430 is an apocalyptic number.

1992761430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1992761430 is an abundant number, since it is smaller than the sum of its proper divisors (3224651178).

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

1992761430 is a wasteful number, since it uses less digits than its factorization.

1992761430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038692.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 1992761430 is about 44640.3565173935. The cubic root of 1992761430 is about 1258.3992079700.

The spelling of 1992761430 in words is "one billion, nine hundred ninety-two million, seven hundred sixty-one thousand, four hundred thirty".