402194 has 16 divisors (see below), whose sum is σ = 672000. Its totient is φ = 179280.

The previous prime is 402139. The next prime is 402197. The reversal of 402194 is 491204.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402194.

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

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, 557 + ... + 1055.

It is an arithmetic number, because the mean of its divisors is an integer number (42000).

2⁴⁰²¹⁹⁴ is an apocalyptic number.

402194 is a deficient number, since it is larger than the sum of its proper divisors (269806).

402194 is a wasteful number, since it uses less digits than its factorization.

402194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 402194 is about 634.1876693850. The cubic root of 402194 is about 73.8150971726.

Adding to 402194 its reverse (491204), we get a palindrome (893398).

The spelling of 402194 in words is "four hundred two thousand, one hundred ninety-four".