40598971 has 4 divisors (see below), whose sum is σ = 46398832. Its totient is φ = 34799112.

The previous prime is 40598963. The next prime is 40598989. The reversal of 40598971 is 17989504.

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 40598971 - 2³ = 40598963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40598911) 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, 2899920 + ... + 2899933.

It is an arithmetic number, because the mean of its divisors is an integer number (11599708).

Almost surely, 2^40598971 is an apocalyptic number.

40598971 is a deficient number, since it is larger than the sum of its proper divisors (5799861).

40598971 is an equidigital number, since it uses as much as digits as its factorization.

40598971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799860.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 40598971 is about 6371.7321820679. The cubic root of 40598971 is about 343.6937822776.

The spelling of 40598971 in words is "forty million, five hundred ninety-eight thousand, nine hundred seventy-one".