3320478 has 72 divisors (see below), whose sum is σ = 8796528. Its totient is φ = 886464.

The previous prime is 3320477. The next prime is 3320509. The reversal of 3320478 is 8740233.

It is a super-2 number, since 2×3320478² = 22051148296968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320477) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45450 + ... + 45522.

It is an arithmetic number, because the mean of its divisors is an integer number (122174).

Almost surely, 2^3320478 is an apocalyptic number.

3320478 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3320478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4398264).

3320478 is an abundant number, since it is smaller than the sum of its proper divisors (5476050).

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

3320478 is a wasteful number, since it uses less digits than its factorization.

3320478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 3320478 is about 1822.2178793986. The cubic root of 3320478 is about 149.1878776505.

The spelling of 3320478 in words is "three million, three hundred twenty thousand, four hundred seventy-eight".