3622406 has 16 divisors (see below), whose sum is σ = 5645904. Its totient is φ = 1741824.

The previous prime is 3622393. The next prime is 3622427. The reversal of 3622406 is 6042263.

3622406 = 3² + 4² + ... + 221².

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5990 + ... + 6566.

It is an arithmetic number, because the mean of its divisors is an integer number (352869).

Almost surely, 2^3622406 is an apocalyptic number.

3622406 is a deficient number, since it is larger than the sum of its proper divisors (2023498).

3622406 is a wasteful number, since it uses less digits than its factorization.

3622406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3622406 is about 1903.2619367812. The cubic root of 3622406 is about 153.5791907483.

Adding to 3622406 its reverse (6042263), we get a palindrome (9664669).

The spelling of 3622406 in words is "three million, six hundred twenty-two thousand, four hundred six".