3623407 has 4 divisors (see below), whose sum is σ = 3627520. Its totient is φ = 3619296.

The previous prime is 3623401. The next prime is 3623413. The reversal of 3623407 is 7043263.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (3623401) and next prime (3623413).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3623407 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3623401) 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, 138 + ... + 2695.

It is an arithmetic number, because the mean of its divisors is an integer number (906880).

Almost surely, 2^3623407 is an apocalyptic number.

3623407 is a deficient number, since it is larger than the sum of its proper divisors (4113).

3623407 is a wasteful number, since it uses less digits than its factorization.

3623407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 3623407 is about 1903.5248882008. The cubic root of 3623407 is about 153.5933359151.

The spelling of 3623407 in words is "three million, six hundred twenty-three thousand, four hundred seven".