1918023832 has 16 divisors (see below), whose sum is σ = 3604311000. Its totient is φ = 956874240.

The previous prime is 1918023823. The next prime is 1918023851. The reversal of 1918023832 is 2383208191.

It is a junction number, because it is equal to n+sod(n) for n = 1918023791 and 1918023800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263394 + ... + 270577.

Almost surely, 2^1918023832 is an apocalyptic number.

It is an amenable number.

1918023832 is a deficient number, since it is larger than the sum of its proper divisors (1686287168).

1918023832 is a wasteful number, since it uses less digits than its factorization.

1918023832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534426 (or 534422 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1918023832 is about 43795.2489660694. The cubic root of 1918023832 is about 1242.4664384000.

The spelling of 1918023832 in words is "one billion, nine hundred eighteen million, twenty-three thousand, eight hundred thirty-two".