3672405 has 32 divisors (see below), whose sum is σ = 7125120. Its totient is φ = 1779840.

The previous prime is 3672379. The next prime is 3672413. The reversal of 3672405 is 5042763.

It is a happy number.

It is not a de Polignac number, because 3672405 - 2⁵ = 3672373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (222660).

Almost surely, 2^3672405 is an apocalyptic number.

It is an amenable number.

3672405 is a deficient number, since it is larger than the sum of its proper divisors (3452715).

3672405 is a wasteful number, since it uses less digits than its factorization.

3672405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 3672405 is about 1916.3520031560. The cubic root of 3672405 is about 154.2825671757.

It can be divided in two parts, 367 and 2405, that added together give a palindrome (2772).

The spelling of 3672405 in words is "three million, six hundred seventy-two thousand, four hundred five".