1001873394 has 32 divisors (see below), whose sum is σ = 2262890880. Its totient is φ = 328482000.

The previous prime is 1001873381. The next prime is 1001873419. The reversal of 1001873394 is 4933781001.

It is a happy 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, 148782 + ... + 155369.

It is an arithmetic number, because the mean of its divisors is an integer number (70715340).

Almost surely, 2^1001873394 is an apocalyptic number.

1001873394 is an abundant number, since it is smaller than the sum of its proper divisors (1261017486).

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

1001873394 is a wasteful number, since it uses less digits than its factorization.

1001873394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304223 (or 304217 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1001873394 is about 31652.3837017056. The cubic root of 1001873394 is about 1000.6240751159.

The spelling of 1001873394 in words is "one billion, one million, eight hundred seventy-three thousand, three hundred ninety-four".