2104001385 has 64 divisors (see below), whose sum is σ = 3621024000. Its totient is φ = 1040117760.

The previous prime is 2104001381. The next prime is 2104001407. The reversal of 2104001385 is 5831004012.

It is not a de Polignac number, because 2104001385 - 2² = 2104001381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2104001381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2764405 + ... + 2765165.

It is an arithmetic number, because the mean of its divisors is an integer number (56578500).

Almost surely, 2^2104001385 is an apocalyptic number.

It is an amenable number.

2104001385 is a deficient number, since it is larger than the sum of its proper divisors (1517022615).

2104001385 is a wasteful number, since it uses less digits than its factorization.

2104001385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2104001385 is about 45869.3948619338. The cubic root of 2104001385 is about 1281.3919966043.

Adding to 2104001385 its reverse (5831004012), we get a palindrome (7935005397).

The spelling of 2104001385 in words is "two billion, one hundred four million, one thousand, three hundred eighty-five".