2920431 has 8 divisors (see below), whose sum is σ = 3984640. Its totient is φ = 1901592.

The previous prime is 2920427. The next prime is 2920453. The reversal of 2920431 is 1340292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2920431 - 2² = 2920427 is a prime.

It is a super-2 number, since 2×2920431² = 17057834451522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2920398 and 2920407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11191 + ... + 11448.

It is an arithmetic number, because the mean of its divisors is an integer number (498080).

2^2920431 is an apocalyptic number.

2920431 is a deficient number, since it is larger than the sum of its proper divisors (1064209).

2920431 is a wasteful number, since it uses less digits than its factorization.

2920431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22685.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2920431 is about 1708.9268562463. The cubic root of 2920431 is about 142.9384219852.

The spelling of 2920431 in words is "two million, nine hundred twenty thousand, four hundred thirty-one".