402158 has 8 divisors (see below), whose sum is σ = 606528. Its totient is φ = 199984.

The previous prime is 402139. The next prime is 402197. The reversal of 402158 is 851204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402158.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35 + ... + 897.

It is an arithmetic number, because the mean of its divisors is an integer number (75816).

2⁴⁰²¹⁵⁸ is an apocalyptic number.

402158 is a deficient number, since it is larger than the sum of its proper divisors (204370).

402158 is a wasteful number, since it uses less digits than its factorization.

402158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 402158 is about 634.1592859842. The cubic root of 402158 is about 73.8128947340.

It can be divided in two parts, 40 and 2158, that multiplied together give a triangular number (86320 = T₄₁₅).

The spelling of 402158 in words is "four hundred two thousand, one hundred fifty-eight".