7040406 has 8 divisors (see below), whose sum is σ = 14080824. Its totient is φ = 2346800.

The previous prime is 7040389. The next prime is 7040413. The reversal of 7040406 is 6040407.

It is a sphenic number, since it is the product of 3 distinct primes.

7040406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586695 + ... + 586706.

It is an arithmetic number, because the mean of its divisors is an integer number (1760103).

Almost surely, 2^7040406 is an apocalyptic number.

7040406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7040406 is a wasteful number, since it uses less digits than its factorization.

7040406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173406.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 7040406 is about 2653.3763396850. The cubic root of 7040406 is about 191.6604785232.

Subtracting from 7040406 its reverse (6040407), we obtain a palindrome (999999).

The spelling of 7040406 in words is "seven million, forty thousand, four hundred six".