2790406 has 8 divisors (see below), whose sum is σ = 4367664. Its totient is φ = 1334520.

The previous prime is 2790401. The next prime is 2790407. The reversal of 2790406 is 6040972.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30285 + ... + 30376.

It is an arithmetic number, because the mean of its divisors is an integer number (545958).

2^2790406 is an apocalyptic number.

2790406 is a deficient number, since it is larger than the sum of its proper divisors (1577258).

2790406 is a wasteful number, since it uses less digits than its factorization.

2790406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60686.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2790406 is about 1670.4508373490. The cubic root of 2790406 is about 140.7848099897.

The spelling of 2790406 in words is "two million, seven hundred ninety thousand, four hundred six".