3402540 has 48 divisors (see below), whose sum is σ = 10587360. Its totient is φ = 907200.

The previous prime is 3402527. The next prime is 3402563. The reversal of 3402540 is 452043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2611 + ... + 3690.

It is an arithmetic number, because the mean of its divisors is an integer number (220570).

Almost surely, 2^3402540 is an apocalyptic number.

3402540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3402540 is an abundant number, since it is smaller than the sum of its proper divisors (7184820).

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

3402540 is a wasteful number, since it uses less digits than its factorization.

3402540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319 (or 6311 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3402540 is about 1844.5975170752. The cubic root of 3402540 is about 150.4068952437.

Adding to 3402540 its reverse (452043), we get a palindrome (3854583).

The spelling of 3402540 in words is "three million, four hundred two thousand, five hundred forty".