999424254 has 48 divisors (see below), whose sum is σ = 2142205488. Its totient is φ = 309771264.

The previous prime is 999424253. The next prime is 999424259. The reversal of 999424254 is 452424999.

999424254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999424253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 807324 + ... + 808560.

It is an arithmetic number, because the mean of its divisors is an integer number (44629281).

Almost surely, 2^999424254 is an apocalyptic number.

999424254 is an abundant number, since it is smaller than the sum of its proper divisors (1142781234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999424254 is a wasteful number, since it uses less digits than its factorization.

999424254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437 (or 1348 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 999424254 is about 31613.6719474344. The cubic root of 999424254 is about 999.8080478234.

It can be divided in two parts, 99942 and 4254, that added together give a triangular number (104196 = T₄₅₆).

The spelling of 999424254 in words is "nine hundred ninety-nine million, four hundred twenty-four thousand, two hundred fifty-four".