1007604 has 36 divisors (see below), whose sum is σ = 2744196. Its totient is φ = 309888.

The previous prime is 1007599. The next prime is 1007609. The reversal of 1007604 is 4067001.

It is an interprime number because it is at equal distance from previous prime (1007599) and next prime (1007609).

It can be written as a sum of positive squares in 2 ways, for example, as 108900 + 898704 = 330^2 + 948^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 (1007609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609 + ... + 1544.

2^1007604 is an apocalyptic number.

It is an amenable number.

1007604 is an abundant number, since it is smaller than the sum of its proper divisors (1736592).

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

1007604 is a wasteful number, since it uses less digits than its factorization.

1007604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1007604 is about 1003.7947997474. The cubic root of 1007604 is about 100.2528269135.

The spelling of 1007604 in words is "one million, seven thousand, six hundred four".