2939895 has 80 divisors (see below), whose sum is σ = 6481728. Its totient is φ = 1244160.

The previous prime is 2939891. The next prime is 2939899. The reversal of 2939895 is 5989392.

It is an interprime number because it is at equal distance from previous prime (2939891) and next prime (2939899).

It is not a de Polignac number, because 2939895 - 2² = 2939891 is a prime.

It is a super-2 number, since 2×2939895² = 17285965222050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

2939895 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2939895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939891) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 48165 + ... + 48225.

2^2939895 is an apocalyptic number.

2939895 is an abundant number, since it is smaller than the sum of its proper divisors (3541833).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2939895 is a wasteful number, since it uses less digits than its factorization.

2939895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 93 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 2939895 is about 1714.6122010531. The cubic root of 2939895 is about 143.2552696727.

The spelling of 2939895 in words is "two million, nine hundred thirty-nine thousand, eight hundred ninety-five".