92109381 has 16 divisors (see below), whose sum is σ = 151154304. Its totient is φ = 48585024.

The previous prime is 92109379. The next prime is 92109403. The reversal of 92109381 is 18390129.

It is not a de Polignac number, because 92109381 - 2¹ = 92109379 is a prime.

It is a super-2 number, since 2×92109381² = 16968276136406322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92109341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168426 + ... + 168971.

It is an arithmetic number, because the mean of its divisors is an integer number (9447144).

Almost surely, 2^92109381 is an apocalyptic number.

92109381 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

92109381 is a deficient number, since it is larger than the sum of its proper divisors (59044923).

92109381 is a wasteful number, since it uses less digits than its factorization.

92109381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337420.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 92109381 is about 9597.3632316382. The cubic root of 92109381 is about 451.6145802753.

The spelling of 92109381 in words is "ninety-two million, one hundred nine thousand, three hundred eighty-one".