3400648 has 16 divisors (see below), whose sum is σ = 6439680. Its totient is φ = 1683408.

The previous prime is 3400637. The next prime is 3400673. The reversal of 3400648 is 8460043.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240 + ... + 2887.

It is an arithmetic number, because the mean of its divisors is an integer number (402480).

Almost surely, 2^3400648 is an apocalyptic number.

It is an amenable number.

3400648 is a deficient number, since it is larger than the sum of its proper divisors (3039032).

3400648 is a wasteful number, since it uses less digits than its factorization.

3400648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236 (or 4232 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3400648 is about 1844.0845967580. The cubic root of 3400648 is about 150.3790118970.

The spelling of 3400648 in words is "three million, four hundred thousand, six hundred forty-eight".