40098097 has 32 divisors (see below), whose sum is σ = 47738880. Its totient is φ = 33384960.

The previous prime is 40098083. The next prime is 40098103. The reversal of 40098097 is 79089004.

It is a happy number.

40098097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40098097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40098007) 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 31 ways as a sum of consecutive naturals, for example, 549253 + ... + 549325.

It is an arithmetic number, because the mean of its divisors is an integer number (1491840).

Almost surely, 2^40098097 is an apocalyptic number.

40098097 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

40098097 is a deficient number, since it is larger than the sum of its proper divisors (7640783).

40098097 is a wasteful number, since it uses less digits than its factorization.

40098097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 40098097 is about 6332.3058201575. The cubic root of 40098097 is about 342.2745336201.

The spelling of 40098097 in words is "forty million, ninety-eight thousand, ninety-seven".