158928393 has 16 divisors (see below), whose sum is σ = 241629696. Its totient is φ = 92048640.

The previous prime is 158928391. The next prime is 158928403. The reversal of 158928393 is 393829851.

It is a happy number.

It is not a de Polignac number, because 158928393 - 2¹ = 158928391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158928391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119193 + ... + 120518.

It is an arithmetic number, because the mean of its divisors is an integer number (15101856).

Almost surely, 2^158928393 is an apocalyptic number.

158928393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

158928393 is a deficient number, since it is larger than the sum of its proper divisors (82701303).

158928393 is a wasteful number, since it uses less digits than its factorization.

158928393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239744.

The product of its digits is 466560, while the sum is 48.

The square root of 158928393 is about 12606.6804909143. The cubic root of 158928393 is about 541.6688120257.

The spelling of 158928393 in words is "one hundred fifty-eight million, nine hundred twenty-eight thousand, three hundred ninety-three".