3493431 has 6 divisors (see below), whose sum is σ = 5046080. Its totient is φ = 2328948.

The previous prime is 3493423. The next prime is 3493433. The reversal of 3493431 is 1343943.

It is not a de Polignac number, because 3493431 - 2³ = 3493423 is a prime.

It is a super-2 number, since 2×3493431² = 24408120303522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3493395 and 3493404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194071 + ... + 194088.

Almost surely, 2^3493431 is an apocalyptic number.

3493431 is a deficient number, since it is larger than the sum of its proper divisors (1552649).

3493431 is a wasteful number, since it uses less digits than its factorization.

3493431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388165 (or 388162 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3493431 is about 1869.0722297439. The cubic root of 3493431 is about 151.7344017108.

The spelling of 3493431 in words is "three million, four hundred ninety-three thousand, four hundred thirty-one".