3256920 has 96 divisors (see below), whose sum is σ = 10810800. Its totient is φ = 850176.

The previous prime is 3256889. The next prime is 3256927. The reversal of 3256920 is 296523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29826 + ... + 29934.

Almost surely, 2^3256920 is an apocalyptic number.

3256920 is a gapful number since it is divisible by the number (30) 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 3256920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5405400).

3256920 is an abundant number, since it is smaller than the sum of its proper divisors (7553880).

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

3256920 is a wasteful number, since it uses less digits than its factorization.

3256920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 202 counting only the distinct ones).

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

The square root of 3256920 is about 1804.6938798589. The cubic root of 3256920 is about 148.2298595224.

The spelling of 3256920 in words is "three million, two hundred fifty-six thousand, nine hundred twenty".