2880931 has 4 divisors (see below), whose sum is σ = 2958832. Its totient is φ = 2803032.

The previous prime is 2880907. The next prime is 2880949. The reversal of 2880931 is 1390882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1390882 = 2 ⋅695441.

It is a cyclic number.

It is not a de Polignac number, because 2880931 - 2¹⁹ = 2356643 is a prime.

It is a super-2 number, since 2×2880931² = 16599526853522, 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 = 2880893 and 2880902.

It is not an unprimeable number, because it can be changed into a prime (2880901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38895 + ... + 38968.

It is an arithmetic number, because the mean of its divisors is an integer number (739708).

2^2880931 is an apocalyptic number.

2880931 is a deficient number, since it is larger than the sum of its proper divisors (77901).

2880931 is an equidigital number, since it uses as much as digits as its factorization.

2880931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77900.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2880931 is about 1697.3305511891. The cubic root of 2880931 is about 142.2910613968.

The spelling of 2880931 in words is "two million, eight hundred eighty thousand, nine hundred thirty-one".