3620407 has 16 divisors (see below), whose sum is σ = 4377600. Its totient is φ = 2927232.

The previous prime is 3620401. The next prime is 3620437. The reversal of 3620407 is 7040263.

It is a de Polignac number, because none of the positive numbers 2^k-3620407 is a prime.

It is a Duffinian number.

3620407 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18094 + ... + 18292.

It is an arithmetic number, because the mean of its divisors is an integer number (273600).

Almost surely, 2^3620407 is an apocalyptic number.

3620407 is a deficient number, since it is larger than the sum of its proper divisors (757193).

3620407 is a wasteful number, since it uses less digits than its factorization.

3620407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 3620407 is about 1902.7367132633. The cubic root of 3620407 is about 153.5509350077.

The spelling of 3620407 in words is "three million, six hundred twenty thousand, four hundred seven".