3390381 has 6 divisors (see below), whose sum is σ = 4897230. Its totient is φ = 2260248.

The previous prime is 3390371. The next prime is 3390389. The reversal of 3390381 is 1830933.

It can be written as a sum of positive squares in only one way, i.e., 2056356 + 1334025 = 1434^2 + 1155^2 .

It is not a de Polignac number, because 3390381 - 2¹³ = 3382189 is a prime.

It is a super-2 number, since 2×3390381² = 22989366650322, which contains 22 as substring.

3390381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3390389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188346 + ... + 188363.

It is an arithmetic number, because the mean of its divisors is an integer number (816205).

Almost surely, 2^3390381 is an apocalyptic number.

It is an amenable number.

3390381 is a deficient number, since it is larger than the sum of its proper divisors (1506849).

3390381 is a wasteful number, since it uses less digits than its factorization.

3390381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376715 (or 376712 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3390381 is about 1841.2987264428. The cubic root of 3390381 is about 150.2275213856.

The spelling of 3390381 in words is "three million, three hundred ninety thousand, three hundred eighty-one".