4891340 has 12 divisors (see below), whose sum is σ = 10271856. Its totient is φ = 1956528.

The previous prime is 4891339. The next prime is 4891349. The reversal of 4891340 is 431984.

4891340 = 330² + 331² + ... + 369².

It is not an unprimeable number, because it can be changed into a prime (4891349) 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, 122264 + ... + 122303.

It is an arithmetic number, because the mean of its divisors is an integer number (855988).

Almost surely, 2^4891340 is an apocalyptic number.

It is an amenable number.

4891340 is an abundant number, since it is smaller than the sum of its proper divisors (5380516).

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

4891340 is a wasteful number, since it uses less digits than its factorization.

4891340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244576 (or 244574 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4891340 is about 2211.6374024690. The cubic root of 4891340 is about 169.7498049701.

Subtracting from 4891340 its product of nonzero digits (3456), we obtain a palindrome (4887884).

The spelling of 4891340 in words is "four million, eight hundred ninety-one thousand, three hundred forty".