971491414 has 4 divisors (see below), whose sum is σ = 1457237124. Its totient is φ = 485745706.

The previous prime is 971491399. The next prime is 971491439. The reversal of 971491414 is 414194179.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242872852 + ... + 242872855.

It is an arithmetic number, because the mean of its divisors is an integer number (364309281).

Almost surely, 2^971491414 is an apocalyptic number.

971491414 is a deficient number, since it is larger than the sum of its proper divisors (485745710).

971491414 is a wasteful number, since it uses less digits than its factorization.

971491414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485745709.

The product of its digits is 36288, while the sum is 40.

The square root of 971491414 is about 31168.7570172440. The cubic root of 971491414 is about 990.4053755995.

The spelling of 971491414 in words is "nine hundred seventy-one million, four hundred ninety-one thousand, four hundred fourteen".