924139 has 2 divisors, whose sum is σ = 924140. Its totient is φ = 924138.

The previous prime is 924109. The next prime is 924151. The reversal of 924139 is 931429.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 924139 - 2¹³ = 915947 is a prime.

924139 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (924109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462069 + 462070.

It is an arithmetic number, because the mean of its divisors is an integer number (462070).

2⁹²⁴¹³⁹ is an apocalyptic number.

924139 is a deficient number, since it is larger than the sum of its proper divisors (1).

924139 is an equidigital number, since it uses as much as digits as its factorization.

924139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 924139 is about 961.3214862885. The cubic root of 924139 is about 97.4045175254.

The spelling of 924139 in words is "nine hundred twenty-four thousand, one hundred thirty-nine".