971490494 has 8 divisors (see below), whose sum is σ = 1569330840. Its totient is φ = 448380216.

The previous prime is 971490473. The next prime is 971490547. The reversal of 971490494 is 494094179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18682484 + ... + 18682535.

It is an arithmetic number, because the mean of its divisors is an integer number (196166355).

Almost surely, 2^971490494 is an apocalyptic number.

971490494 is a deficient number, since it is larger than the sum of its proper divisors (597840346).

971490494 is a wasteful number, since it uses less digits than its factorization.

971490494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37365034.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 971490494 is about 31168.7422588721. The cubic root of 971490494 is about 990.4050629622.

The spelling of 971490494 in words is "nine hundred seventy-one million, four hundred ninety thousand, four hundred ninety-four".