4919400 has 96 divisors (see below), whose sum is σ = 16963200. Its totient is φ = 1310400.

The previous prime is 4919393. The next prime is 4919413. The reversal of 4919400 is 49194.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4945 + ... + 5855.

It is an arithmetic number, because the mean of its divisors is an integer number (176700).

Almost surely, 2^4919400 is an apocalyptic number.

4919400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4919400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8481600).

4919400 is an abundant number, since it is smaller than the sum of its proper divisors (12043800).

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

4919400 is a wasteful number, since it uses less digits than its factorization.

4919400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4919400 is about 2217.9720467129. The cubic root of 4919400 is about 170.0737857323.

Multiplying 4919400 by its reverse (49194), we get a square (242004963600 = 491940²).

4919400 divided by its reverse (49194) gives a square (100 = 10²).

The spelling of 4919400 in words is "four million, nine hundred nineteen thousand, four hundred".