3437428 has 12 divisors (see below), whose sum is σ = 6223140. Its totient is φ = 1659392.

The previous prime is 3437407. The next prime is 3437429. The reversal of 3437428 is 8247343.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2862864 + 574564 = 1692^2 + 758^2 .

It is a super-2 number, since 2×3437428² = 23631822510368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3437428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3437429) 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, 14701 + ... + 14932.

It is an arithmetic number, because the mean of its divisors is an integer number (518595).

Almost surely, 2^3437428 is an apocalyptic number.

It is an amenable number.

3437428 is a deficient number, since it is larger than the sum of its proper divisors (2785712).

3437428 is a wasteful number, since it uses less digits than its factorization.

3437428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29666 (or 29664 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 3437428 is about 1854.0302047162. The cubic root of 3437428 is about 150.9192147147.

The spelling of 3437428 in words is "three million, four hundred thirty-seven thousand, four hundred twenty-eight".