3725397 has 24 divisors (see below), whose sum is σ = 6139224. Its totient is φ = 2156544.

The previous prime is 3725389. The next prime is 3725411. The reversal of 3725397 is 7935273.

It is a happy number.

3725397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4356 + 3721041 = 66^2 + 1929^2 .

It is not a de Polignac number, because 3725397 - 2³ = 3725389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3725347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1053 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (255801).

Almost surely, 2^3725397 is an apocalyptic number.

It is an amenable number.

3725397 is a deficient number, since it is larger than the sum of its proper divisors (2413827).

3725397 is a wasteful number, since it uses less digits than its factorization.

3725397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909 (or 1906 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The square root of 3725397 is about 1930.1287521821. The cubic root of 3725397 is about 155.0211140159.

The spelling of 3725397 in words is "three million, seven hundred twenty-five thousand, three hundred ninety-seven".