3620045 has 32 divisors (see below), whose sum is σ = 5249664. Its totient is φ = 2361600.

The previous prime is 3620033. The next prime is 3620053. The reversal of 3620045 is 5400263.

It is not a de Polignac number, because 3620045 - 2⁶ = 3619981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 3619999 and 3620026.

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, 43574 + ... + 43656.

It is an arithmetic number, because the mean of its divisors is an integer number (164052).

Almost surely, 2^3620045 is an apocalyptic number.

It is an amenable number.

3620045 is a deficient number, since it is larger than the sum of its proper divisors (1629619).

3620045 is a wasteful number, since it uses less digits than its factorization.

3620045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3620045 is about 1902.6415847447. The cubic root of 3620045 is about 153.5458170481.

The spelling of 3620045 in words is "three million, six hundred twenty thousand, forty-five".