40898237 has 4 divisors (see below), whose sum is σ = 40926816. Its totient is φ = 40869660.

The previous prime is 40898173. The next prime is 40898239. The reversal of 40898237 is 73289804.

40898237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40898237 - 2⁶ = 40898173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40898194 and 40898203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40898239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12023 + ... + 15044.

It is an arithmetic number, because the mean of its divisors is an integer number (10231704).

Almost surely, 2^40898237 is an apocalyptic number.

It is an amenable number.

40898237 is a deficient number, since it is larger than the sum of its proper divisors (28579).

40898237 is a wasteful number, since it uses less digits than its factorization.

40898237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28578.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 40898237 is about 6395.1729452768. The cubic root of 40898237 is about 344.5362023741.

The spelling of 40898237 in words is "forty million, eight hundred ninety-eight thousand, two hundred thirty-seven".