2430406 has 20 divisors (see below), whose sum is σ = 4058460. Its totient is φ = 1091420.

The previous prime is 2430397. The next prime is 2430427. The reversal of 2430406 is 6040342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 29241 + ... + 29323.

It is an arithmetic number, because the mean of its divisors is an integer number (202923).

2^2430406 is an apocalyptic number.

2430406 is a deficient number, since it is larger than the sum of its proper divisors (1628054).

2430406 is an frugal number, since it uses more digits than its factorization.

2430406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2430406 is about 1558.9759459337. The cubic root of 2430406 is about 134.4496294297.

Adding to 2430406 its reverse (6040342), we get a palindrome (8470748).

The spelling of 2430406 in words is "two million, four hundred thirty thousand, four hundred six".