3381657 has 16 divisors (see below), whose sum is σ = 4856832. Its totient is φ = 2085120.

The previous prime is 3381647. The next prime is 3381673. The reversal of 3381657 is 7561833.

It is a happy number.

It is not a de Polignac number, because 3381657 - 2⁴ = 3381641 is a prime.

It is a super-2 number, since 2×3381657² = 22871208131298, which contains 22 as substring.

3381657 is a lucky number.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3381647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2568 + ... + 3654.

It is an arithmetic number, because the mean of its divisors is an integer number (303552).

Almost surely, 2^3381657 is an apocalyptic number.

It is an amenable number.

3381657 is a deficient number, since it is larger than the sum of its proper divisors (1475175).

3381657 is a wasteful number, since it uses less digits than its factorization.

3381657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168.

The product of its digits is 15120, while the sum is 33.

The square root of 3381657 is about 1838.9282204589. The cubic root of 3381657 is about 150.0985574509.

It can be divided in two parts, 33 and 81657, that multiplied together give a triangular number (2694681 = T₂₃₂₁).

The spelling of 3381657 in words is "three million, three hundred eighty-one thousand, six hundred fifty-seven".