3490628 has 6 divisors (see below), whose sum is σ = 6108606. Its totient is φ = 1745312.

The previous prime is 3490609. The next prime is 3490639. The reversal of 3490628 is 8260943.

It can be written as a sum of positive squares in only one way, i.e., 2553604 + 937024 = 1598^2 + 968^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3490594 and 3490603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436325 + ... + 436332.

It is an arithmetic number, because the mean of its divisors is an integer number (1018101).

Almost surely, 2^3490628 is an apocalyptic number.

It is an amenable number.

3490628 is a deficient number, since it is larger than the sum of its proper divisors (2617978).

3490628 is a wasteful number, since it uses less digits than its factorization.

3490628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872661 (or 872659 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3490628 is about 1868.3222420129. The cubic root of 3490628 is about 151.6938088256.

The spelling of 3490628 in words is "three million, four hundred ninety thousand, six hundred twenty-eight".