1992564294 has 16 divisors (see below), whose sum is σ = 4554432768. Its totient is φ = 569304072.

The previous prime is 1992564283. The next prime is 1992564347. The reversal of 1992564294 is 4924652991.

It is a super-3 number, since 3×1992564294³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23720962 + ... + 23721045.

It is an arithmetic number, because the mean of its divisors is an integer number (284652048).

Almost surely, 2^1992564294 is an apocalyptic number.

1992564294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1992564294 is an abundant number, since it is smaller than the sum of its proper divisors (2561868474).

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

1992564294 is a wasteful number, since it uses less digits than its factorization.

1992564294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47442019.

The product of its digits is 1399680, while the sum is 51.

The square root of 1992564294 is about 44638.1484159009. The cubic root of 1992564294 is about 1258.3577104508.

The spelling of 1992564294 in words is "one billion, nine hundred ninety-two million, five hundred sixty-four thousand, two hundred ninety-four".