7406939 has 4 divisors (see below), whose sum is σ = 7456800. Its totient is φ = 7357080.

The previous prime is 7406929. The next prime is 7406947. The reversal of 7406939 is 9396047.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7406939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7406929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24707 + ... + 25004.

It is an arithmetic number, because the mean of its divisors is an integer number (1864200).

Almost surely, 2^7406939 is an apocalyptic number.

7406939 is a deficient number, since it is larger than the sum of its proper divisors (49861).

7406939 is a wasteful number, since it uses less digits than its factorization.

7406939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49860.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 7406939 is about 2721.5692164632. The cubic root of 7406939 is about 194.9304068995.

The spelling of 7406939 in words is "seven million, four hundred six thousand, nine hundred thirty-nine".