39898241 has 4 divisors (see below), whose sum is σ = 40651092. Its totient is φ = 39145392.

The previous prime is 39898211. The next prime is 39898279. The reversal of 39898241 is 14289893.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14938225 + 24960016 = 3865^2 + 4996^2 .

It is a cyclic number.

It is not a de Polignac number, because 39898241 - 2¹⁸ = 39636097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39898192 and 39898201.

It is not an unprimeable number, because it can be changed into a prime (39898211) 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, 376346 + ... + 376451.

It is an arithmetic number, because the mean of its divisors is an integer number (10162773).

Almost surely, 2^39898241 is an apocalyptic number.

It is an amenable number.

39898241 is a deficient number, since it is larger than the sum of its proper divisors (752851).

39898241 is an equidigital number, since it uses as much as digits as its factorization.

39898241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752850.

The product of its digits is 124416, while the sum is 44.

The square root of 39898241 is about 6316.5054420938. The cubic root of 39898241 is about 341.7049339913.

The spelling of 39898241 in words is "thirty-nine million, eight hundred ninety-eight thousand, two hundred forty-one".