4891738 has 16 divisors (see below), whose sum is σ = 7628544. Its totient is φ = 2350080.

The previous prime is 4891729. The next prime is 4891763. The reversal of 4891738 is 8371984.

It is a self number, because there is not a number n which added to its sum of digits gives 4891738.

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, 15781 + ... + 16087.

It is an arithmetic number, because the mean of its divisors is an integer number (476784).

Almost surely, 2^4891738 is an apocalyptic number.

4891738 is a deficient number, since it is larger than the sum of its proper divisors (2736806).

4891738 is a wasteful number, since it uses less digits than its factorization.

4891738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597.

The product of its digits is 48384, while the sum is 40.

The square root of 4891738 is about 2211.7273792220. The cubic root of 4891738 is about 169.7544089294.

The spelling of 4891738 in words is "four million, eight hundred ninety-one thousand, seven hundred thirty-eight".