2939407 has 4 divisors (see below), whose sum is σ = 2987656. Its totient is φ = 2891160.

The previous prime is 2939401. The next prime is 2939449. The reversal of 2939407 is 7049392.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2939407 - 2³ = 2939399 is a prime.

It is a super-2 number, since 2×2939407² = 17280227023298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939401) 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, 24033 + ... + 24154.

It is an arithmetic number, because the mean of its divisors is an integer number (746914).

2^2939407 is an apocalyptic number.

2939407 is a deficient number, since it is larger than the sum of its proper divisors (48249).

2939407 is an equidigital number, since it uses as much as digits as its factorization.

2939407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48248.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2939407 is about 1714.4698889161. The cubic root of 2939407 is about 143.2473428090.

The spelling of 2939407 in words is "two million, nine hundred thirty-nine thousand, four hundred seven".