1864838996 has 6 divisors (see below), whose sum is σ = 3263468250. Its totient is φ = 932419496.

The previous prime is 1864838993. The next prime is 1864839001. The reversal of 1864838996 is 6998384681.

It can be written as a sum of positive squares in only one way, i.e., 1772410000 + 92428996 = 42100^2 + 9614^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1864838993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233104871 + ... + 233104878.

It is an arithmetic number, because the mean of its divisors is an integer number (543911375).

Almost surely, 2^1864838996 is an apocalyptic number.

It is an amenable number.

1864838996 is a deficient number, since it is larger than the sum of its proper divisors (1398629254).

1864838996 is a wasteful number, since it uses less digits than its factorization.

1864838996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466209753 (or 466209751 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 62.

The square root of 1864838996 is about 43183.7816315338. The cubic root of 1864838996 is about 1230.8745176568.

The spelling of 1864838996 in words is "one billion, eight hundred sixty-four million, eight hundred thirty-eight thousand, nine hundred ninety-six".