4391400 has 96 divisors (see below), whose sum is σ = 14686560. Its totient is φ = 1079040.

The previous prime is 4391399. The next prime is 4391411. The reversal of 4391400 is 41934.

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, 7519 + ... + 8081.

It is an arithmetic number, because the mean of its divisors is an integer number (152985).

Almost surely, 2^4391400 is an apocalyptic number.

4391400 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 4391400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7343280).

4391400 is an abundant number, since it is smaller than the sum of its proper divisors (10295160).

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

4391400 is a wasteful number, since it uses less digits than its factorization.

4391400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4391400 is about 2095.5667491159. The cubic root of 4391400 is about 163.7574244444.

The spelling of 4391400 in words is "four million, three hundred ninety-one thousand, four hundred".