3725388 has 18 divisors (see below), whose sum is σ = 9417044. Its totient is φ = 1241784.

The previous prime is 3725357. The next prime is 3725389. The reversal of 3725388 is 8835273.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 103483 = 3725388 / (3 + 7 + 2 + 5 + 3 + 8 + 8).

It is a d-powerful number, because it can be written as 3⁹ + 7⁴ + 2¹³ + 5⁵ + 3¹³ + 8³ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (3725389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51706 + ... + 51777.

Almost surely, 2^3725388 is an apocalyptic number.

It is an amenable number.

3725388 is an abundant number, since it is smaller than the sum of its proper divisors (5691656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3725388 is a wasteful number, since it uses less digits than its factorization.

3725388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103493 (or 103488 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 3725388 is about 1930.1264207300. The cubic root of 3725388 is about 155.0209891798.

It can be divided in two parts, 37 and 25388, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 3725388 in words is "three million, seven hundred twenty-five thousand, three hundred eighty-eight".