3458040 has 32 divisors (see below), whose sum is σ = 10374480. Its totient is φ = 922112.

The previous prime is 3457999. The next prime is 3458053. The reversal of 3458040 is 408543.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3458040.

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, 14289 + ... + 14528.

Almost surely, 2^3458040 is an apocalyptic number.

3458040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3458040 is an abundant number, since it is smaller than the sum of its proper divisors (6916440).

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

3458040 is a wasteful number, since it uses less digits than its factorization.

3458040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28831 (or 28827 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3458040 is about 1859.5805978768. The cubic root of 3458040 is about 151.2202682720.

It can be divided in two parts, 345 and 8040, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 3458040 in words is "three million, four hundred fifty-eight thousand, forty".