4399950 has 24 divisors (see below), whose sum is σ = 10912248. Its totient is φ = 1173280.

The previous prime is 4399943. The next prime is 4399961. The reversal of 4399950 is 599934.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4399899 and 4399908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14517 + ... + 14816.

It is an arithmetic number, because the mean of its divisors is an integer number (454677).

Almost surely, 2^4399950 is an apocalyptic number.

4399950 is an abundant number, since it is smaller than the sum of its proper divisors (6512298).

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

4399950 is a wasteful number, since it uses less digits than its factorization.

4399950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29348 (or 29343 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 4399950 is about 2097.6057780241. The cubic root of 4399950 is about 163.8636334198.

The spelling of 4399950 in words is "four million, three hundred ninety-nine thousand, nine hundred fifty".