736404 has 24 divisors (see below), whose sum is σ = 1737120. Its totient is φ = 242784.

The previous prime is 736403. The next prime is 736409. The reversal of 736404 is 404637.

736404 = T₂₇₇ + T₂₇₈ + ... + T₂₉₄.

736404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 736404.

It is not an unprimeable number, because it can be changed into a prime (736403) 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, 1027 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (72380).

2⁷³⁶⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

736404 is an abundant number, since it is smaller than the sum of its proper divisors (1000716).

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

736404 is a wasteful number, since it uses less digits than its factorization.

736404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 736404 is about 858.1398487426. The cubic root of 736404 is about 90.3036656189.

The spelling of 736404 in words is "seven hundred thirty-six thousand, four hundred four".