3509456 has 20 divisors (see below), whose sum is σ = 6828804. Its totient is φ = 1747200.

The previous prime is 3509453. The next prime is 3509461. The reversal of 3509456 is 6549053.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 341056 + 3168400 = 584^2 + 1780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3509453) 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, 6476 + ... + 6996.

Almost surely, 2^3509456 is an apocalyptic number.

It is an amenable number.

3509456 is a deficient number, since it is larger than the sum of its proper divisors (3319348).

3509456 is a wasteful number, since it uses less digits than its factorization.

3509456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 3509456 is about 1873.3542110343. The cubic root of 3509456 is about 151.9660589036.

The spelling of 3509456 in words is "three million, five hundred nine thousand, four hundred fifty-six".