41428239 has 4 divisors (see below), whose sum is σ = 55237656. Its totient is φ = 27618824.

The previous prime is 41428229. The next prime is 41428249. The reversal of 41428239 is 93282414.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (41428229) and next prime (41428249).

It is a cyclic number.

It is not a de Polignac number, because 41428239 - 2¹³ = 41420047 is a prime.

It is a super-2 number, since 2×41428239² = 3432597973282242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41428229) 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, 6904704 + ... + 6904709.

It is an arithmetic number, because the mean of its divisors is an integer number (13809414).

Almost surely, 2^41428239 is an apocalyptic number.

41428239 is a deficient number, since it is larger than the sum of its proper divisors (13809417).

41428239 is a wasteful number, since it uses less digits than its factorization.

41428239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13809416.

The product of its digits is 13824, while the sum is 33.

The square root of 41428239 is about 6436.4772197220. The cubic root of 41428239 is about 346.0181057940.

The spelling of 41428239 in words is "forty-one million, four hundred twenty-eight thousand, two hundred thirty-nine".