3213960 has 32 divisors (see below), whose sum is σ = 9642240. Its totient is φ = 857024.

The previous prime is 3213937. The next prime is 3213961. The reversal of 3213960 is 693123.

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 3213960.

It is not an unprimeable number, because it can be changed into a prime (3213961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13272 + ... + 13511.

It is an arithmetic number, because the mean of its divisors is an integer number (301320).

Almost surely, 2^3213960 is an apocalyptic number.

3213960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3213960 is an abundant number, since it is smaller than the sum of its proper divisors (6428280).

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

3213960 is a wasteful number, since it uses less digits than its factorization.

3213960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26797 (or 26793 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 3213960 is about 1792.7520743260. The cubic root of 3213960 is about 147.5752369206.

The spelling of 3213960 in words is "three million, two hundred thirteen thousand, nine hundred sixty".