3400704 has 110 divisors (see below), whose sum is σ = 10402854. Its totient is φ = 1105920.

The previous prime is 3400703. The next prime is 3400717. The reversal of 3400704 is 4070043.

It can be written as a sum of positive squares in only one way, i.e., 2073600 + 1327104 = 1440^2 + 1152^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400703) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 82924 + ... + 82964.

Almost surely, 2^3400704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3400704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5201427).

3400704 is an abundant number, since it is smaller than the sum of its proper divisors (7002150).

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

3400704 is an equidigital number, since it uses as much as digits as its factorization.

3400704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 3400704 is about 1844.0997803807. The cubic root of 3400704 is about 150.3798373454.

Adding to 3400704 its reverse (4070043), we get a palindrome (7470747).

The spelling of 3400704 in words is "three million, four hundred thousand, seven hundred four".