1992807534 has 16 divisors (see below), whose sum is σ = 4114183680. Its totient is φ = 642841080.

The previous prime is 1992807517. The next prime is 1992807539. The reversal of 1992807534 is 4357082991.

It is a super-2 number, since 2×1992807534² = 7942563735134322312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992807539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5356824 + ... + 5357195.

It is an arithmetic number, because the mean of its divisors is an integer number (257136480).

Almost surely, 2^1992807534 is an apocalyptic number.

1992807534 is an abundant number, since it is smaller than the sum of its proper divisors (2121376146).

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

1992807534 is a wasteful number, since it uses less digits than its factorization.

1992807534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714055.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 1992807534 is about 44640.8729081321. The cubic root of 1992807534 is about 1258.4089125586.

The spelling of 1992807534 in words is "one billion, nine hundred ninety-two million, eight hundred seven thousand, five hundred thirty-four".