3725869 has 4 divisors (see below), whose sum is σ = 4258144. Its totient is φ = 3193596.

The previous prime is 3725857. The next prime is 3725879. The reversal of 3725869 is 9685273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3725869 - 2⁹ = 3725357 is a prime.

It is a super-2 number, since 2×3725869² = 27764199610322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3725809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266127 + ... + 266140.

It is an arithmetic number, because the mean of its divisors is an integer number (1064536).

Almost surely, 2^3725869 is an apocalyptic number.

It is an amenable number.

3725869 is a deficient number, since it is larger than the sum of its proper divisors (532275).

3725869 is an equidigital number, since it uses as much as digits as its factorization.

3725869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532274.

The product of its digits is 90720, while the sum is 40.

The square root of 3725869 is about 1930.2510199453. The cubic root of 3725869 is about 155.0276606896.

It can be divided in two parts, 372 and 5869, that added together give a square (6241 = 79²).

The spelling of 3725869 in words is "three million, seven hundred twenty-five thousand, eight hundred sixty-nine".