40898249 has 4 divisors (see below), whose sum is σ = 46740864. Its totient is φ = 35055636.

The previous prime is 40898239. The next prime is 40898251. The reversal of 40898249 is 94289804.

It is a happy number.

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 not a de Polignac number, because 40898249 - 2⁸ = 40897993 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921297 + ... + 2921310.

It is an arithmetic number, because the mean of its divisors is an integer number (11685216).

Almost surely, 2^40898249 is an apocalyptic number.

It is an amenable number.

40898249 is a deficient number, since it is larger than the sum of its proper divisors (5842615).

40898249 is an equidigital number, since it uses as much as digits as its factorization.

40898249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5842614.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 40898249 is about 6395.1738834843. The cubic root of 40898249 is about 344.5362360710.

The spelling of 40898249 in words is "forty million, eight hundred ninety-eight thousand, two hundred forty-nine".