3698425 has 6 divisors (see below), whose sum is σ = 4586078. Its totient is φ = 2958720.

The previous prime is 3698419. The next prime is 3698441. The reversal of 3698425 is 5248963.

It can be written as a sum of positive squares in 3 ways, for example, as 646416 + 3052009 = 804^2 + 1747^2 .

It is not a de Polignac number, because 3698425 - 2³ = 3698417 is a prime.

It is a d-powerful number, because it can be written as 3 + 6⁸ + 9 + 8 + 4⁸ + 2⁷ + 5⁹ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73944 + ... + 73993.

Almost surely, 2^3698425 is an apocalyptic number.

It is an amenable number.

3698425 is a deficient number, since it is larger than the sum of its proper divisors (887653).

3698425 is a wasteful number, since it uses less digits than its factorization.

3698425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147947 (or 147942 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 3698425 is about 1923.1289608344. The cubic root of 3698425 is about 154.6460881220.

The spelling of 3698425 in words is "three million, six hundred ninety-eight thousand, four hundred twenty-five".