92280981 has 16 divisors (see below), whose sum is σ = 140301504. Its totient is φ = 53447424.

The previous prime is 92280961. The next prime is 92281001. The reversal of 92280981 is 18908229.

It is an interprime number because it is at equal distance from previous prime (92280961) and next prime (92281001).

It is not a de Polignac number, because 92280981 - 2⁹ = 92280469 is a prime.

It is a super-2 number, since 2×92280981² = 17031558908644722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92280911) 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, 68931 + ... + 70256.

It is an arithmetic number, because the mean of its divisors is an integer number (8768844).

Almost surely, 2^92280981 is an apocalyptic number.

It is an amenable number.

92280981 is a deficient number, since it is larger than the sum of its proper divisors (48020523).

92280981 is a wasteful number, since it uses less digits than its factorization.

92280981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139220.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 92280981 is about 9606.2990272009. The cubic root of 92280981 is about 451.8948593129.

The spelling of 92280981 in words is "ninety-two million, two hundred eighty thousand, nine hundred eighty-one".