3493472 has 12 divisors (see below), whose sum is σ = 6877836. Its totient is φ = 1746720.

The previous prime is 3493471. The next prime is 3493507. The reversal of 3493472 is 2743943.

It is a super-2 number, since 2×3493472² = 24408693229568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 109171 = 3493472 / (3 + 4 + 9 + 3 + 4 + 7 + 2).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54554 + ... + 54617.

It is an arithmetic number, because the mean of its divisors is an integer number (573153).

Almost surely, 2^3493472 is an apocalyptic number.

3493472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3493472 is a deficient number, since it is larger than the sum of its proper divisors (3384364).

3493472 is a wasteful number, since it uses less digits than its factorization.

3493472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109181 (or 109173 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 3493472 is about 1869.0831977202. The cubic root of 3493472 is about 151.7349953093.

The spelling of 3493472 in words is "three million, four hundred ninety-three thousand, four hundred seventy-two".