153897 has 8 divisors (see below), whose sum is σ = 210144. Its totient is φ = 100128.

The previous prime is 153889. The next prime is 153911. The reversal of 153897 is 798351.

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

It is not a de Polignac number, because 153897 - 2³ = 153889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468 + ... + 725.

It is an arithmetic number, because the mean of its divisors is an integer number (26268).

2¹⁵³⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

153897 is a deficient number, since it is larger than the sum of its proper divisors (56247).

153897 is a wasteful number, since it uses less digits than its factorization.

153897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239.

The product of its digits is 7560, while the sum is 33.

The square root of 153897 is about 392.2970813045. The cubic root of 153897 is about 53.5891314192.

The spelling of 153897 in words is "one hundred fifty-three thousand, eight hundred ninety-seven".