801974500 has 24 divisors (see below), whose sum is σ = 1751513400. Its totient is φ = 320789600.

The previous prime is 801974483. The next prime is 801974513. The reversal of 801974500 is 5479108.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 74269924 + 727704576 = 8618^2 + 26976^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801475 + ... + 802474.

It is an arithmetic number, because the mean of its divisors is an integer number (72979725).

Almost surely, 2^801974500 is an apocalyptic number.

It is an amenable number.

801974500 is an abundant number, since it is smaller than the sum of its proper divisors (949538900).

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

801974500 is a wasteful number, since it uses less digits than its factorization.

801974500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603968 (or 1603956 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 801974500 is about 28319.1542952822. The cubic root of 801974500 is about 929.0808740144.

The spelling of 801974500 in words is "eight hundred one million, nine hundred seventy-four thousand, five hundred".