3215408 has 40 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 1304640.

The previous prime is 3215383. The next prime is 3215417. The reversal of 3215408 is 8045123.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

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, 1373 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (187488).

Almost surely, 2^3215408 is an apocalyptic number.

3215408 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3215408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749760).

3215408 is an abundant number, since it is smaller than the sum of its proper divisors (4284112).

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

3215408 is a wasteful number, since it uses less digits than its factorization.

3215408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 3215408 is about 1793.1558772176. The cubic root of 3215408 is about 147.5973961737.

The spelling of 3215408 in words is "three million, two hundred fifteen thousand, four hundred eight".