984280863 has 4 divisors (see below), whose sum is σ = 1312374488. Its totient is φ = 656187240.

The previous prime is 984280859. The next prime is 984280867. The reversal of 984280863 is 368082489.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368082489 = 3 ⋅122694163.

It is an interprime number because it is at equal distance from previous prime (984280859) and next prime (984280867).

It is not a de Polignac number, because 984280863 - 2² = 984280859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984280867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164046808 + ... + 164046813.

It is an arithmetic number, because the mean of its divisors is an integer number (328093622).

Almost surely, 2^984280863 is an apocalyptic number.

984280863 is a deficient number, since it is larger than the sum of its proper divisors (328093625).

984280863 is a wasteful number, since it uses less digits than its factorization.

984280863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328093624.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 984280863 is about 31373.2507560183. The cubic root of 984280863 is about 994.7325907826.

The spelling of 984280863 in words is "nine hundred eighty-four million, two hundred eighty thousand, eight hundred sixty-three".