4978434 has 16 divisors (see below), whose sum is σ = 9984672. Its totient is φ = 1654848.

The previous prime is 4978429. The next prime is 4978447. The reversal of 4978434 is 4348794.

It is a junction number, because it is equal to n+sod(n) for n = 4978392 and 4978401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1722 + ... + 3594.

It is an arithmetic number, because the mean of its divisors is an integer number (624042).

Almost surely, 2^4978434 is an apocalyptic number.

4978434 is an abundant number, since it is smaller than the sum of its proper divisors (5006238).

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

4978434 is a wasteful number, since it uses less digits than its factorization.

4978434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321.

The product of its digits is 96768, while the sum is 39.

The square root of 4978434 is about 2231.2404621645. The cubic root of 4978434 is about 170.7513914113.

The spelling of 4978434 in words is "four million, nine hundred seventy-eight thousand, four hundred thirty-four".