3406780 has 24 divisors (see below), whose sum is σ = 7705152. Its totient is φ = 1257792.

The previous prime is 3406763. The next prime is 3406801. The reversal of 3406780 is 876043.

It is a super-2 number, since 2×3406780² = 23212299936800, which contains 22 as substring.

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, 6292 + ... + 6811.

It is an arithmetic number, because the mean of its divisors is an integer number (321048).

Almost surely, 2^3406780 is an apocalyptic number.

It is an amenable number.

3406780 is an abundant number, since it is smaller than the sum of its proper divisors (4298372).

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

3406780 is a wasteful number, since it uses less digits than its factorization.

3406780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13125 (or 13123 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3406780 is about 1845.7464614621. The cubic root of 3406780 is about 150.4693447200.

It can be divided in two parts, 3406 and 780, that added together give a triangular number (4186 = T₉₁).

The spelling of 3406780 in words is "three million, four hundred six thousand, seven hundred eighty".