40898903 has 4 divisors (see below), whose sum is σ = 42309240. Its totient is φ = 39488568.

The previous prime is 40898873. The next prime is 40898917. The reversal of 40898903 is 30989804.

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

It is a cyclic number.

It is not a de Polignac number, because 40898903 - 2⁸ = 40898647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40898993) 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, 705125 + ... + 705182.

It is an arithmetic number, because the mean of its divisors is an integer number (10577310).

Almost surely, 2^40898903 is an apocalyptic number.

40898903 is a deficient number, since it is larger than the sum of its proper divisors (1410337).

40898903 is a wasteful number, since it uses less digits than its factorization.

40898903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410336.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 40898903 is about 6395.2250155878. The cubic root of 40898903 is about 344.5380725433.

Subtracting from 40898903 its reverse (30989804), we obtain a palindrome (9909099).

The spelling of 40898903 in words is "forty million, eight hundred ninety-eight thousand, nine hundred three".