3402040 has 32 divisors (see below), whose sum is σ = 8106480. Its totient is φ = 1280512.

The previous prime is 3402037. The next prime is 3402053. The reversal of 3402040 is 402043.

It is a self number, because there is not a number n which added to its sum of digits gives 3402040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822 + ... + 3181.

Almost surely, 2^3402040 is an apocalyptic number.

It is an amenable number.

3402040 is an abundant number, since it is smaller than the sum of its proper divisors (4704440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3402040 is a wasteful number, since it uses less digits than its factorization.

3402040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 3402040 is about 1844.4619811750. The cubic root of 3402040 is about 150.3995274996.

Adding to 3402040 its product of nonzero digits (96), we get a triangular number (3402136 = T₂₆₀₈).

Adding to 3402040 its reverse (402043), we get a palindrome (3804083).

The spelling of 3402040 in words is "three million, four hundred two thousand, forty".