4072406 has 8 divisors (see below), whose sum is σ = 6578544. Its totient is φ = 1879560.

The previous prime is 4072399. The next prime is 4072417. The reversal of 4072406 is 6042704.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78290 + ... + 78341.

It is an arithmetic number, because the mean of its divisors is an integer number (822318).

Almost surely, 2^4072406 is an apocalyptic number.

4072406 is a deficient number, since it is larger than the sum of its proper divisors (2506138).

4072406 is a wasteful number, since it uses less digits than its factorization.

4072406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156646.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 4072406 is about 2018.0203170434. The cubic root of 4072406 is about 159.6921946874.

The spelling of 4072406 in words is "four million, seventy-two thousand, four hundred six".