155396 has 12 divisors (see below), whose sum is σ = 277452. Its totient is φ = 76128.

The previous prime is 155387. The next prime is 155399. The reversal of 155396 is 693551.

It can be written as a sum of positive squares in 2 ways, for example, as 136900 + 18496 = 370^2 + 136^2 .

It is not an unprimeable number, because it can be changed into a prime (155399) by changing a digit.

155396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155 + ... + 578.

It is an arithmetic number, because the mean of its divisors is an integer number (23121).

2¹⁵⁵³⁹⁶ is an apocalyptic number.

It is an amenable number.

155396 is a deficient number, since it is larger than the sum of its proper divisors (122056).

155396 is a wasteful number, since it uses less digits than its factorization.

155396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 788 counting only the distinct ones).

The product of its digits is 4050, while the sum is 29.

The square root of 155396 is about 394.2029933930. The cubic root of 155396 is about 53.7625606124.

The spelling of 155396 in words is "one hundred fifty-five thousand, three hundred ninety-six".