1050399 has 12 divisors (see below), whose sum is σ = 1734096. Its totient is φ = 600192.

The previous prime is 1050391. The next prime is 1050421. The reversal of 1050399 is 9930501.

It is not a de Polignac number, because 1050399 - 2³ = 1050391 is a prime.

It is a super-2 number, since 2×1050399² = 2206676118402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8274 + ... + 8399.

It is an arithmetic number, because the mean of its divisors is an integer number (144508).

2^1050399 is an apocalyptic number.

1050399 is a deficient number, since it is larger than the sum of its proper divisors (683697).

1050399 is a wasteful number, since it uses less digits than its factorization.

1050399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16686 (or 16683 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 1050399 is about 1024.8897501683. The cubic root of 1050399 is about 101.6525084049.

The spelling of 1050399 in words is "one million, fifty thousand, three hundred ninety-nine".