1388200004 has 12 divisors (see below), whose sum is σ = 2431741200. Its totient is φ = 693416808.

The previous prime is 1388199979. The next prime is 1388200007. The reversal of 1388200004 is 4000028831.

It is a super-2 number, since 2×1388200004² = 3854198502211200032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1388200007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166214 + ... + 174365.

It is an arithmetic number, because the mean of its divisors is an integer number (202645100).

Almost surely, 2^1388200004 is an apocalyptic number.

It is an amenable number.

1388200004 is a deficient number, since it is larger than the sum of its proper divisors (1043541196).

1388200004 is a wasteful number, since it uses less digits than its factorization.

1388200004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341602 (or 341600 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1388200004 is about 37258.5561180248. The cubic root of 1388200004 is about 1115.5370880665.

Adding to 1388200004 its reverse (4000028831), we get a palindrome (5388228835).

The spelling of 1388200004 in words is "one billion, three hundred eighty-eight million, two hundred thousand, four".