3490636 has 6 divisors (see below), whose sum is σ = 6108620. Its totient is φ = 1745316.

The previous prime is 3490609. The next prime is 3490639. The reversal of 3490636 is 6360943.

It is a junction number, because it is equal to n+sod(n) for n = 3490598 and 3490607.

It is not an unprimeable number, because it can be changed into a prime (3490639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436326 + ... + 436333.

Almost surely, 2^3490636 is an apocalyptic number.

It is an amenable number.

3490636 is a deficient number, since it is larger than the sum of its proper divisors (2617984).

3490636 is a wasteful number, since it uses less digits than its factorization.

3490636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872663 (or 872661 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 3490636 is about 1868.3243829699. The cubic root of 3490636 is about 151.6939247121.

The spelling of 3490636 in words is "three million, four hundred ninety thousand, six hundred thirty-six".