3493906 has 12 divisors (see below), whose sum is σ = 5675562. Its totient is φ = 1612416.

The previous prime is 3493883. The next prime is 3493909. The reversal of 3493906 is 6093943.

It can be written as a sum of positive squares in 3 ways, for example, as 801025 + 2692881 = 895^2 + 1641^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3493909) 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, 4831 + ... + 5506.

Almost surely, 2^3493906 is an apocalyptic number.

3493906 is a deficient number, since it is larger than the sum of its proper divisors (2181656).

3493906 is a wasteful number, since it uses less digits than its factorization.

3493906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10365 (or 10352 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 3493906 is about 1869.1992938154. The cubic root of 3493906 is about 151.7412784817.

The spelling of 3493906 in words is "three million, four hundred ninety-three thousand, nine hundred six".