319402 has 4 divisors (see below), whose sum is σ = 479106. Its totient is φ = 159700.

The previous prime is 319399. The next prime is 319411. The reversal of 319402 is 204913.

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

It can be written as a sum of positive squares in only one way, i.e., 271441 + 47961 = 521^2 + 219^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 319402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79849 + ... + 79852.

2³¹⁹⁴⁰² is an apocalyptic number.

319402 is a deficient number, since it is larger than the sum of its proper divisors (159704).

319402 is a wasteful number, since it uses less digits than its factorization.

319402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159703.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 319402 is about 565.1566154616. The cubic root of 319402 is about 68.3564043983.

The spelling of 319402 in words is "three hundred nineteen thousand, four hundred two".