3691425 has 24 divisors (see below), whose sum is σ = 6187104. Its totient is φ = 1941760.

The previous prime is 3691403. The next prime is 3691447. The reversal of 3691425 is 5241963.

It is an interprime number because it is at equal distance from previous prime (3691403) and next prime (3691447).

It is not a de Polignac number, because 3691425 - 2¹¹ = 3689377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3691392 and 3691401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5929 + ... + 6521.

It is an arithmetic number, because the mean of its divisors is an integer number (257796).

Almost surely, 2^3691425 is an apocalyptic number.

It is an amenable number.

3691425 is a deficient number, since it is larger than the sum of its proper divisors (2495679).

3691425 is a wasteful number, since it uses less digits than its factorization.

3691425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 684 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 3691425 is about 1921.3081481116. The cubic root of 3691425 is about 154.5484604113.

It can be divided in two parts, 369 and 1425, that multiplied together give a triangular number (525825 = T₁₀₂₅).

The spelling of 3691425 in words is "three million, six hundred ninety-one thousand, four hundred twenty-five".