1863097420 has 12 divisors (see below), whose sum is σ = 3912504624. Its totient is φ = 745238960.

The previous prime is 1863097391. The next prime is 1863097429. The reversal of 1863097420 is 247903681.

It is a super-2 number, since 2×1863097420² = 6942263992821312800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1863097429) 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, 46577416 + ... + 46577455.

It is an arithmetic number, because the mean of its divisors is an integer number (326042052).

Almost surely, 2^1863097420 is an apocalyptic number.

1863097420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1863097420 is an abundant number, since it is smaller than the sum of its proper divisors (2049407204).

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

1863097420 is a wasteful number, since it uses less digits than its factorization.

1863097420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93154880 (or 93154878 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1863097420 is about 43163.6122214070. The cubic root of 1863097420 is about 1230.4912264463.

The spelling of 1863097420 in words is "one billion, eight hundred sixty-three million, ninety-seven thousand, four hundred twenty".