44139246 has 8 divisors (see below), whose sum is σ = 88278504. Its totient is φ = 14713080.

The previous prime is 44139241. The next prime is 44139253. The reversal of 44139246 is 64293144.

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

44139246 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44139241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3678265 + ... + 3678276.

It is an arithmetic number, because the mean of its divisors is an integer number (11034813).

Almost surely, 2^44139246 is an apocalyptic number.

44139246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

44139246 is a wasteful number, since it uses less digits than its factorization.

44139246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356546.

The product of its digits is 20736, while the sum is 33.

The square root of 44139246 is about 6643.7373518224. The cubic root of 44139246 is about 353.4068556706.

The spelling of 44139246 in words is "forty-four million, one hundred thirty-nine thousand, two hundred forty-six".