1936792081 has 9 divisors (see below), whose sum is σ = 2253361449. Its totient is φ = 1659843444.

The previous prime is 1936792063. The next prime is 1936792103. The reversal of 1936792081 is 1802976391.

It is a happy number.

The square root of 1936792081 is 44009.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1936792081 - 2⁹ = 1936791569 is a prime.

It is a super-2 number, since 2×1936792081² = 7502327130048621122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1936792001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 304920 + ... + 311206.

Almost surely, 2^1936792081 is an apocalyptic number.

1936792081 is the 44009-th square number.

1936792081 is the 22005-th centered octagonal number.

It is an amenable number.

1936792081 is a deficient number, since it is larger than the sum of its proper divisors (316569368).

1936792081 is an frugal number, since it uses more digits than its factorization.

1936792081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12588 (or 6294 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The cubic root of 1936792081 is about 1246.5058859810.

The spelling of 1936792081 in words is "one billion, nine hundred thirty-six million, seven hundred ninety-two thousand, eighty-one".