156398 has 8 divisors (see below), whose sum is σ = 255960. Its totient is φ = 71080.

The previous prime is 156371. The next prime is 156419. The reversal of 156398 is 893651.

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

It is a congruent number.

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, 3533 + ... + 3576.

It is an arithmetic number, because the mean of its divisors is an integer number (31995).

2¹⁵⁶³⁹⁸ is an apocalyptic number.

156398 is a deficient number, since it is larger than the sum of its proper divisors (99562).

156398 is a wasteful number, since it uses less digits than its factorization.

156398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7122.

The product of its digits is 6480, while the sum is 32.

The square root of 156398 is about 395.4718700489. The cubic root of 156398 is about 53.8778675555.

It can be divided in two parts, 1563 and 98, that added together give a palindrome (1661).

The spelling of 156398 in words is "one hundred fifty-six thousand, three hundred ninety-eight".