873409641 has 16 divisors (see below), whose sum is σ = 1257372480. Its totient is φ = 536091840.

The previous prime is 873409633. The next prime is 873409681. The reversal of 873409641 is 146904378.

It is not a de Polignac number, because 873409641 - 2³ = 873409633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 873409593 and 873409602.

It is not an unprimeable number, because it can be changed into a prime (873409681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13615 + ... + 43956.

It is an arithmetic number, because the mean of its divisors is an integer number (78585780).

Almost surely, 2^873409641 is an apocalyptic number.

It is an amenable number.

873409641 is a deficient number, since it is larger than the sum of its proper divisors (383962839).

873409641 is a wasteful number, since it uses less digits than its factorization.

873409641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57976.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 873409641 is about 29553.5047160231. The cubic root of 873409641 is about 955.8857642748.

The spelling of 873409641 in words is "eight hundred seventy-three million, four hundred nine thousand, six hundred forty-one".