3318961 has 8 divisors (see below), whose sum is σ = 3550824. Its totient is φ = 3091200.

The previous prime is 3318947. The next prime is 3318983. The reversal of 3318961 is 1698133.

It can be written as a sum of positive squares in 4 ways, for example, as 2119936 + 1199025 = 1456^2 + 1095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3318961 - 2⁵ = 3318929 is a prime.

It is a super-2 number, since 2×3318961² = 22031004239042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (443853).

Almost surely, 2^3318961 is an apocalyptic number.

It is an amenable number.

3318961 is a deficient number, since it is larger than the sum of its proper divisors (231863).

3318961 is a wasteful number, since it uses less digits than its factorization.

3318961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its digits is 3888, while the sum is 31.

The square root of 3318961 is about 1821.8015808534. The cubic root of 3318961 is about 149.1651547690.

The spelling of 3318961 in words is "three million, three hundred eighteen thousand, nine hundred sixty-one".