50399394 has 16 divisors (see below), whose sum is σ = 105181632. Its totient is φ = 16069328.

The previous prime is 50399383. The next prime is 50399411. The reversal of 50399394 is 49399305.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182469 + ... + 182744.

It is an arithmetic number, because the mean of its divisors is an integer number (6573852).

Almost surely, 2^50399394 is an apocalyptic number.

50399394 is an abundant number, since it is smaller than the sum of its proper divisors (54782238).

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

50399394 is a wasteful number, since it uses less digits than its factorization.

50399394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365241.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 50399394 is about 7099.2530593014. The cubic root of 50399394 is about 369.3814696202.

The spelling of 50399394 in words is "fifty million, three hundred ninety-nine thousand, three hundred ninety-four".