873846540 has 72 divisors (see below), whose sum is σ = 3029339040. Its totient is φ = 199736064.

The previous prime is 873846539. The next prime is 873846553. The reversal of 873846540 is 45648378.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345505 + ... + 348024.

Almost surely, 2^873846540 is an apocalyptic number.

It is an amenable number.

873846540 is an abundant number, since it is smaller than the sum of its proper divisors (2155492500).

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

873846540 is a wasteful number, since it uses less digits than its factorization.

873846540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693551 (or 693546 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 873846540 is about 29560.8954532842. The cubic root of 873846540 is about 956.0451228388.

It can be divided in two parts, 8738 and 46540, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 873846540 in words is "eight hundred seventy-three million, eight hundred forty-six thousand, five hundred forty".