3490624 has 14 divisors (see below), whose sum is σ = 6926834. Its totient is φ = 1745280.

The previous prime is 3490609. The next prime is 3490639. The reversal of 3490624 is 4260943.

It is an interprime number because it is at equal distance from previous prime (3490609) and next prime (3490639).

It can be written as a sum of positive squares in only one way, i.e., 2050624 + 1440000 = 1432^2 + 1200^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3490592 and 3490601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27207 + ... + 27334.

Almost surely, 2^3490624 is an apocalyptic number.

It is an amenable number.

3490624 is a deficient number, since it is larger than the sum of its proper divisors (3436210).

3490624 is an equidigital number, since it uses as much as digits as its factorization.

3490624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54553 (or 54543 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 3490624 is about 1868.3211715334. The cubic root of 3490624 is about 151.6937508823.

It can be divided in two parts, 3490 and 624, that added together give a palindrome (4114).

The spelling of 3490624 in words is "three million, four hundred ninety thousand, six hundred twenty-four".