6364388 has 6 divisors (see below), whose sum is σ = 11137686. Its totient is φ = 3182192.

The previous prime is 6364381. The next prime is 6364433. The reversal of 6364388 is 8834636.

It can be written as a sum of positive squares in only one way, i.e., 6041764 + 322624 = 2458^2 + 568^2 .

It is a super-2 number, since 2×6364388² = 81010869229088, which contains 22 as substring.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6364381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 795545 + ... + 795552.

It is an arithmetic number, because the mean of its divisors is an integer number (1856281).

Almost surely, 2^6364388 is an apocalyptic number.

It is an amenable number.

6364388 is a deficient number, since it is larger than the sum of its proper divisors (4773298).

6364388 is a wasteful number, since it uses less digits than its factorization.

6364388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591101 (or 1591099 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 6364388 is about 2522.7738701675. The cubic root of 6364388 is about 185.3185454217.

The spelling of 6364388 in words is "six million, three hundred sixty-four thousand, three hundred eighty-eight".