3201390 has 64 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 836640.

The previous prime is 3201379. The next prime is 3201391. The reversal of 3201390 is 931023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19087 + ... + 19253.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

Almost surely, 2^3201390 is an apocalyptic number.

3201390 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 3201390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).

3201390 is an abundant number, since it is smaller than the sum of its proper divisors (5507730).

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

3201390 is a wasteful number, since it uses less digits than its factorization.

3201390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3201390 is about 1789.2428566296. The cubic root of 3201390 is about 147.3825935394.

The spelling of 3201390 in words is "three million, two hundred one thousand, three hundred ninety".