1823849742 has 32 divisors (see below), whose sum is σ = 4285411200. Its totient is φ = 510167520.

The previous prime is 1823849723. The next prime is 1823849761. The reversal of 1823849742 is 2479483281.

It is an interprime number because it is at equal distance from previous prime (1823849723) and next prime (1823849761).

It is a junction number, because it is equal to n+sod(n) for n = 1823849691 and 1823849700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061992 + ... + 1063707.

It is an arithmetic number, because the mean of its divisors is an integer number (133919100).

Almost surely, 2^1823849742 is an apocalyptic number.

1823849742 is an abundant number, since it is smaller than the sum of its proper divisors (2461561458).

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

1823849742 is a wasteful number, since it uses less digits than its factorization.

1823849742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125728.

The product of its digits is 774144, while the sum is 48.

The square root of 1823849742 is about 42706.5538530095. The cubic root of 1823849742 is about 1221.7893973751.

The spelling of 1823849742 in words is "one billion, eight hundred twenty-three million, eight hundred forty-nine thousand, seven hundred forty-two".