3090406 has 8 divisors (see below), whose sum is σ = 5057064. Its totient is φ = 1404720.

The previous prime is 3090397. The next prime is 3090431. The reversal of 3090406 is 6040903.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 140473 = 3090406 / (3 + 0 + 9 + 0 + 4 + 0 + 6).

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, 70215 + ... + 70258.

It is an arithmetic number, because the mean of its divisors is an integer number (632133).

Almost surely, 2^3090406 is an apocalyptic number.

3090406 is a deficient number, since it is larger than the sum of its proper divisors (1966658).

3090406 is a wasteful number, since it uses less digits than its factorization.

3090406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140486.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3090406 is about 1757.9550619968. The cubic root of 3090406 is about 145.6593986905.

The spelling of 3090406 in words is "three million, ninety thousand, four hundred six".