3225690 has 64 divisors (see below), whose sum is σ = 9273600. Its totient is φ = 793152.

The previous prime is 3225679. The next prime is 3225737. The reversal of 3225690 is 965223.

It is a super-2 number, since 2×3225690² = 20810151952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3051 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (144900).

Almost surely, 2^3225690 is an apocalyptic number.

3225690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3225690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4636800).

3225690 is an abundant number, since it is smaller than the sum of its proper divisors (6047910).

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

3225690 is a wasteful number, since it uses less digits than its factorization.

3225690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3225690 is about 1796.0206012181. The cubic root of 3225690 is about 147.7545542156.

The spelling of 3225690 in words is "three million, two hundred twenty-five thousand, six hundred ninety".