3402425 has 36 divisors (see below), whose sum is σ = 4960620. Its totient is φ = 2298240.

The previous prime is 3402407. The next prime is 3402437. The reversal of 3402425 is 5242043.

It can be written as a sum of positive squares in 6 ways, for example, as 346921 + 3055504 = 589^2 + 1748^2 .

It is not a de Polignac number, because 3402425 - 2⁸ = 3402169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3402397 and 3402406.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117311 + ... + 117339.

It is an arithmetic number, because the mean of its divisors is an integer number (137795).

Almost surely, 2^3402425 is an apocalyptic number.

It is an amenable number.

3402425 is a deficient number, since it is larger than the sum of its proper divisors (1558195).

3402425 is a wasteful number, since it uses less digits than its factorization.

3402425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3402425 is about 1844.5663447000. The cubic root of 3402425 is about 150.4052007265.

Adding to 3402425 its reverse (5242043), we get a palindrome (8644468).

It can be divided in two parts, 3402 and 425, that multiplied together give a triangular number (1445850 = T₁₇₀₀).

The spelling of 3402425 in words is "three million, four hundred two thousand, four hundred twenty-five".