2908881 has 12 divisors (see below), whose sum is σ = 4423120. Its totient is φ = 1837080.

The previous prime is 2908861. The next prime is 2908889. The reversal of 2908881 is 1888092.

It is not a de Polignac number, because 2908881 - 2⁶ = 2908817 is a prime.

It is a super-2 number, since 2×2908881² = 16923177344322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2908889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8335 + ... + 8676.

2^2908881 is an apocalyptic number.

It is an amenable number.

2908881 is a deficient number, since it is larger than the sum of its proper divisors (1514239).

2908881 is a wasteful number, since it uses less digits than its factorization.

2908881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17036 (or 17033 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 2908881 is about 1705.5441946781. The cubic root of 2908881 is about 142.7497375070.

The spelling of 2908881 in words is "two million, nine hundred eight thousand, eight hundred eighty-one".