3497428 has 24 divisors (see below), whose sum is σ = 6751584. Its totient is φ = 1572000.

The previous prime is 3497419. The next prime is 3497437. The reversal of 3497428 is 8247943.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3497419) and next prime (3497437).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4051 + ... + 4837.

It is an arithmetic number, because the mean of its divisors is an integer number (281316).

Almost surely, 2^3497428 is an apocalyptic number.

It is an amenable number.

3497428 is a deficient number, since it is larger than the sum of its proper divisors (3254156).

3497428 is a wasteful number, since it uses less digits than its factorization.

3497428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 901 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 3497428 is about 1870.1411711419. The cubic root of 3497428 is about 151.7922484951.

It can be divided in two parts, 349 and 7428, that added together give a palindrome (7777).

The spelling of 3497428 in words is "three million, four hundred ninety-seven thousand, four hundred twenty-eight".