3699425 has 6 divisors (see below), whose sum is σ = 4587318. Its totient is φ = 2959520.

The previous prime is 3699413. The next prime is 3699427. The reversal of 3699425 is 5249963.

3699425 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 3 ways, for example, as 43681 + 3655744 = 209^2 + 1912^2 .

It is not a de Polignac number, because 3699425 - 2⁸ = 3699169 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3699427) 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 5 ways as a sum of consecutive naturals, for example, 73964 + ... + 74013.

It is an arithmetic number, because the mean of its divisors is an integer number (764553).

Almost surely, 2^3699425 is an apocalyptic number.

It is an amenable number.

3699425 is a deficient number, since it is larger than the sum of its proper divisors (887893).

3699425 is a wasteful number, since it uses less digits than its factorization.

3699425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147987 (or 147982 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 3699425 is about 1923.3889362269. The cubic root of 3699425 is about 154.6600248791.

The spelling of 3699425 in words is "three million, six hundred ninety-nine thousand, four hundred twenty-five".