402199 has 4 divisors (see below), whose sum is σ = 459664. Its totient is φ = 344736.

The previous prime is 402197. The next prime is 402221. The reversal of 402199 is 991204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 402199 - 2¹ = 402197 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28722 + ... + 28735.

It is an arithmetic number, because the mean of its divisors is an integer number (114916).

2⁴⁰²¹⁹⁹ is an apocalyptic number.

402199 is a deficient number, since it is larger than the sum of its proper divisors (57465).

402199 is an equidigital number, since it uses as much as digits as its factorization.

402199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57464.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 402199 is about 634.1916114236. The cubic root of 402199 is about 73.8154030564.

The spelling of 402199 in words is "four hundred two thousand, one hundred ninety-nine".