3924780 has 24 divisors (see below), whose sum is σ = 10989552. Its totient is φ = 1046592.

The previous prime is 3924779. The next prime is 3924787. The reversal of 3924780 is 874293.

It is not an unprimeable number, because it can be changed into a prime (3924787) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32647 + ... + 32766.

It is an arithmetic number, because the mean of its divisors is an integer number (457898).

Almost surely, 2^3924780 is an apocalyptic number.

3924780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3924780 is an abundant number, since it is smaller than the sum of its proper divisors (7064772).

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

3924780 is a wasteful number, since it uses less digits than its factorization.

3924780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65425 (or 65423 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 3924780 is about 1981.1057518467. The cubic root of 3924780 is about 157.7387660975.

The spelling of 3924780 in words is "three million, nine hundred twenty-four thousand, seven hundred eighty".