3493994 has 24 divisors (see below), whose sum is σ = 6174468. Its totient is φ = 1478400.

The previous prime is 3493961. The next prime is 3494009. The reversal of 3493994 is 4993943.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3286969 + 207025 = 1813^2 + 455^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9722 + ... + 10074.

Almost surely, 2^3493994 is an apocalyptic number.

3493994 is a deficient number, since it is larger than the sum of its proper divisors (2680474).

3493994 is a wasteful number, since it uses less digits than its factorization.

3493994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 463 counting only the distinct ones).

The product of its digits is 104976, while the sum is 41.

The square root of 3493994 is about 1869.2228331582. Note that the first 3 decimals coincide. The cubic root of 3493994 is about 151.7425524256.

The spelling of 3493994 in words is "three million, four hundred ninety-three thousand, nine hundred ninety-four".