9040406 has 16 divisors (see below), whose sum is σ = 14327808. Its totient is φ = 4271400.

The previous prime is 9040399. The next prime is 9040411. The reversal of 9040406 is 6040409.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 971 + ... + 4361.

It is an arithmetic number, because the mean of its divisors is an integer number (895488).

Almost surely, 2^9040406 is an apocalyptic number.

9040406 is a deficient number, since it is larger than the sum of its proper divisors (5287402).

9040406 is a wasteful number, since it uses less digits than its factorization.

9040406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 9040406 is about 3006.7267917122. The cubic root of 9040406 is about 208.3192060109.

The spelling of 9040406 in words is "nine million, forty thousand, four hundred six".