1398384001 has 24 divisors (see below), whose sum is σ = 1658524896. Its totient is φ = 1175328000.

The previous prime is 1398383911. The next prime is 1398384047. The reversal of 1398384001 is 1004838931.

It is not a de Polignac number, because 1398384001 - 2⁷ = 1398383873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1398384101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 823185 + ... + 824881.

It is an arithmetic number, because the mean of its divisors is an integer number (69105204).

Almost surely, 2^1398384001 is an apocalyptic number.

It is an amenable number.

1398384001 is a deficient number, since it is larger than the sum of its proper divisors (260140895).

1398384001 is a wasteful number, since it uses less digits than its factorization.

1398384001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029 (or 2022 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1398384001 is about 37394.9729375487. The cubic root of 1398384001 is about 1118.2583477408.

The spelling of 1398384001 in words is "one billion, three hundred ninety-eight million, three hundred eighty-four thousand, one".