2406556 has 12 divisors (see below), whose sum is σ = 4224640. Its totient is φ = 1199520.

The previous prime is 2406553. The next prime is 2406557. The reversal of 2406556 is 6556042.

It is a super-2 number, since 2×2406556² = 11583023562272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406553) 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, 901 + ... + 2371.

2^2406556 is an apocalyptic number.

It is an amenable number.

2406556 is a deficient number, since it is larger than the sum of its proper divisors (1818084).

2406556 is a wasteful number, since it uses less digits than its factorization.

2406556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1882 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2406556 is about 1551.3078353441. The cubic root of 2406556 is about 134.0083903560.

The spelling of 2406556 in words is "two million, four hundred six thousand, five hundred fifty-six".