928440479 has 4 divisors (see below), whose sum is σ = 931070976. Its totient is φ = 925809984.

The previous prime is 928440467. The next prime is 928440497. The reversal of 928440479 is 974044829.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974044829 = 9929 ⋅98101.

It is a cyclic number.

It is not a de Polignac number, because 928440479 - 2²⁰ = 927391903 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 (928440419) 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, 1314719 + ... + 1315424.

It is an arithmetic number, because the mean of its divisors is an integer number (232767744).

Almost surely, 2^928440479 is an apocalyptic number.

928440479 is a deficient number, since it is larger than the sum of its proper divisors (2630497).

928440479 is a wasteful number, since it uses less digits than its factorization.

928440479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630496.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 928440479 is about 30470.3212815356. The cubic root of 928440479 is about 975.5540936391.

The spelling of 928440479 in words is "nine hundred twenty-eight million, four hundred forty thousand, four hundred seventy-nine".