3658625 has 8 divisors (see below), whose sum is σ = 4566120. Its totient is φ = 2926800.

The previous prime is 3658607. The next prime is 3658631. The reversal of 3658625 is 5268563.

It can be written as a sum of positive squares in 4 ways, for example, as 78961 + 3579664 = 281^2 + 1892^2 .

It is not a de Polignac number, because 3658625 - 2¹² = 3654529 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 6² + 5⁷ + 8⁵ + 6³ + 2⁵ + 5⁹ .

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, 14510 + ... + 14759.

It is an arithmetic number, because the mean of its divisors is an integer number (570765).

Almost surely, 2^3658625 is an apocalyptic number.

It is an amenable number.

3658625 is a deficient number, since it is larger than the sum of its proper divisors (907495).

3658625 is an equidigital number, since it uses as much as digits as its factorization.

3658625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29284 (or 29274 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 3658625 is about 1912.7532512062. The cubic root of 3658625 is about 154.0893533293.

The spelling of 3658625 in words is "three million, six hundred fifty-eight thousand, six hundred twenty-five".