3408704 has 56 divisors (see below), whose sum is σ = 7744968. Its totient is φ = 1474560.

The previous prime is 3408679. The next prime is 3408707. The reversal of 3408704 is 4078043.

It can be written as a sum of positive squares in 4 ways, for example, as 719104 + 2689600 = 848^2 + 1640^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3408707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14024 + ... + 14264.

It is an arithmetic number, because the mean of its divisors is an integer number (138303).

Almost surely, 2^3408704 is an apocalyptic number.

3408704 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3408704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3872484).

3408704 is an abundant number, since it is smaller than the sum of its proper divisors (4336264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3408704 is a wasteful number, since it uses less digits than its factorization.

3408704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3408704 is about 1846.2675862399. The cubic root of 3408704 is about 150.4976655525.

The spelling of 3408704 in words is "three million, four hundred eight thousand, seven hundred four".