4739863 has 4 divisors (see below), whose sum is σ = 4945968. Its totient is φ = 4533760.

The previous prime is 4739857. The next prime is 4739879. The reversal of 4739863 is 3689374.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4739863 - 2⁵ = 4739831 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4739803) 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, 103018 + ... + 103063.

It is an arithmetic number, because the mean of its divisors is an integer number (1236492).

Almost surely, 2^4739863 is an apocalyptic number.

4739863 is a deficient number, since it is larger than the sum of its proper divisors (206105).

4739863 is a wasteful number, since it uses less digits than its factorization.

4739863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206104.

The product of its digits is 108864, while the sum is 40.

The square root of 4739863 is about 2177.1226423883. The cubic root of 4739863 is about 167.9791050166.

The spelling of 4739863 in words is "four million, seven hundred thirty-nine thousand, eight hundred sixty-three".