3456780 has 48 divisors (see below), whose sum is σ = 10251360. Its totient is φ = 867328.

The previous prime is 3456767. The next prime is 3456781. The reversal of 3456780 is 876543.

It is not an unprimeable number, because it can be changed into a prime (3456781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675 + ... + 2714.

It is an arithmetic number, because the mean of its divisors is an integer number (213570).

Almost surely, 2^3456780 is an apocalyptic number.

3456780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3456780 is an abundant number, since it is smaller than the sum of its proper divisors (6794580).

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

3456780 is a wasteful number, since it uses less digits than its factorization.

3456780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3456780 is about 1859.2417809419. The cubic root of 3456780 is about 151.2018994190.

It can be divided in two parts, 3 and 456780, that multiplied together give a triangular number (1370340 = T₁₆₅₅).

The spelling of 3456780 in words is "three million, four hundred fifty-six thousand, seven hundred eighty".