3493931 has 4 divisors (see below), whose sum is σ = 3993072. Its totient is φ = 2994792.

The previous prime is 3493927. The next prime is 3493937. The reversal of 3493931 is 1393943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3493931 - 2² = 3493927 is a prime.

It is a super-2 number, since 2×3493931² = 24415107665522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3493937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249560 + ... + 249573.

It is an arithmetic number, because the mean of its divisors is an integer number (998268).

Almost surely, 2^3493931 is an apocalyptic number.

3493931 is a deficient number, since it is larger than the sum of its proper divisors (499141).

3493931 is an equidigital number, since it uses as much as digits as its factorization.

3493931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499140.

The product of its digits is 8748, while the sum is 32.

The square root of 3493931 is about 1869.2059811588. The cubic root of 3493931 is about 151.7416403998.

The spelling of 3493931 in words is "three million, four hundred ninety-three thousand, nine hundred thirty-one".