6387404 has 6 divisors (see below), whose sum is σ = 11177964. Its totient is φ = 3193700.

The previous prime is 6387383. The next prime is 6387413. The reversal of 6387404 is 4047836.

It is a happy number.

It is a super-3 number, since 3×6387404³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 798422 + ... + 798429.

It is an arithmetic number, because the mean of its divisors is an integer number (1862994).

Almost surely, 2^6387404 is an apocalyptic number.

It is an amenable number.

6387404 is a deficient number, since it is larger than the sum of its proper divisors (4790560).

6387404 is a wasteful number, since it uses less digits than its factorization.

6387404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596855 (or 1596853 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 6387404 is about 2527.3313989265. The cubic root of 6387404 is about 185.5416703222.

The spelling of 6387404 in words is "six million, three hundred eighty-seven thousand, four hundred four".