42999336 has 112 divisors (see below), whose sum is σ = 123749460. Its totient is φ = 13996800.

The previous prime is 42999331. The next prime is 42999343. The reversal of 42999336 is 63399924.

It can be written as a sum of positive squares in 2 ways, for example, as 38564100 + 4435236 = 6210^2 + 2106^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42999291 and 42999300.

It is not an unprimeable number, because it can be changed into a prime (42999331) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 425686 + ... + 425786.

Almost surely, 2^42999336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42999336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61874730).

42999336 is an abundant number, since it is smaller than the sum of its proper divisors (80750124).

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

42999336 is a wasteful number, since it uses less digits than its factorization.

42999336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 179 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 42999336 is about 6557.3878945812. The cubic root of 42999336 is about 350.3380027299.

The spelling of 42999336 in words is "forty-two million, nine hundred ninety-nine thousand, three hundred thirty-six".