3356991 has 32 divisors (see below), whose sum is σ = 5529600. Its totient is φ = 1995840.

The previous prime is 3356987. The next prime is 3356993. The reversal of 3356991 is 1996533.

3356991 is a `hidden beast` number, since 3 + 3 + 569 + 91 = 666.

It is not a de Polignac number, because 3356991 - 2² = 3356987 is a prime.

It is a super-2 number, since 2×3356991² = 22538777148162, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3356993) 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, 26370 + ... + 26496.

It is an arithmetic number, because the mean of its divisors is an integer number (172800).

Almost surely, 2^3356991 is an apocalyptic number.

3356991 is a deficient number, since it is larger than the sum of its proper divisors (2172609).

3356991 is a wasteful number, since it uses less digits than its factorization.

3356991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 230 counting only the distinct ones).

The product of its digits is 21870, while the sum is 36.

The square root of 3356991 is about 1832.2093221027. The cubic root of 3356991 is about 149.7327240399.

The spelling of 3356991 in words is "three million, three hundred fifty-six thousand, nine hundred ninety-one".