4978719 has 16 divisors (see below), whose sum is σ = 7455840. Its totient is φ = 3283200.

The previous prime is 4978709. The next prime is 4978723. The reversal of 4978719 is 9178794.

It is a de Polignac number, because none of the positive numbers 2^k-4978719 is a prime.

It is a super-2 number, since 2×4978719² = 49575285761922, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978709) 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, 1669 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (465990).

Almost surely, 2^4978719 is an apocalyptic number.

4978719 is a deficient number, since it is larger than the sum of its proper divisors (2477121).

4978719 is a wasteful number, since it uses less digits than its factorization.

4978719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007 (or 2001 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 4978719 is about 2231.3043270697. The cubic root of 4978719 is about 170.7546496793.

It can be divided in two parts, 497 and 8719, that added together give a square (9216 = 96²).

The spelling of 4978719 in words is "four million, nine hundred seventy-eight thousand, seven hundred nineteen".