3870780 has 24 divisors (see below), whose sum is σ = 10838352. Its totient is φ = 1032192.

The previous prime is 3870773. The next prime is 3870793. The reversal of 3870780 is 870783.

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, 32197 + ... + 32316.

It is an arithmetic number, because the mean of its divisors is an integer number (451598).

Almost surely, 2^3870780 is an apocalyptic number.

3870780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3870780 is an abundant number, since it is smaller than the sum of its proper divisors (6967572).

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

3870780 is a wasteful number, since it uses less digits than its factorization.

3870780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64525 (or 64523 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 3870780 is about 1967.4297954438. The cubic root of 3870780 is about 157.0119941612.

The spelling of 3870780 in words is "three million, eight hundred seventy thousand, seven hundred eighty".