3257790 has 48 divisors (see below), whose sum is σ = 8150544. Its totient is φ = 833280.

The previous prime is 3257783. The next prime is 3257791. The reversal of 3257790 is 977523.

It is a super-2 number, since 2×3257790² = 21226391368200, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3257791) 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, 28774 + ... + 28886.

It is an arithmetic number, because the mean of its divisors is an integer number (169803).

Almost surely, 2^3257790 is an apocalyptic number.

3257790 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 3257790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4075272).

3257790 is an abundant number, since it is smaller than the sum of its proper divisors (4892754).

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

3257790 is a wasteful number, since it uses less digits than its factorization.

3257790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 3257790 is about 1804.9349018732. The cubic root of 3257790 is about 148.2430569090.

The spelling of 3257790 in words is "three million, two hundred fifty-seven thousand, seven hundred ninety".