1864828392 has 64 divisors (see below), whose sum is σ = 5387990400. Its totient is φ = 526817280.

The previous prime is 1864828391. The next prime is 1864828393. The reversal of 1864828392 is 2938284681.

1864828392 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1864828391) and next prime (1864828393).

It is not an unprimeable number, because it can be changed into a prime (1864828391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47409 + ... + 77312.

It is an arithmetic number, because the mean of its divisors is an integer number (84187350).

Almost surely, 2^1864828392 is an apocalyptic number.

1864828392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1864828392 is an abundant number, since it is smaller than the sum of its proper divisors (3523162008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1864828392 is a wasteful number, since it uses less digits than its factorization.

1864828392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124826 (or 124822 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 1864828392 is about 43183.6588537840. The cubic root of 1864828392 is about 1230.8721846192.

The spelling of 1864828392 in words is "one billion, eight hundred sixty-four million, eight hundred twenty-eight thousand, three hundred ninety-two".