971474490 has 288 divisors, whose sum is σ = 3098684160. Its totient is φ = 210325248.

The previous prime is 971474489. The next prime is 971474501. The reversal of 971474490 is 94474179.

971474490 is a `hidden beast` number, since 97 + 1 + 4 + 74 + 490 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 in 143 ways as a sum of consecutive naturals, for example, 8912556 + ... + 8912664.

It is an arithmetic number, because the mean of its divisors is an integer number (10759320).

Almost surely, 2^971474490 is an apocalyptic number.

971474490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 971474490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549342080).

971474490 is an abundant number, since it is smaller than the sum of its proper divisors (2127209670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971474490 is a wasteful number, since it uses less digits than its factorization.

971474490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 971474490 is about 31168.4855262491. The cubic root of 971474490 is about 990.3996244017.

The spelling of 971474490 in words is "nine hundred seventy-one million, four hundred seventy-four thousand, four hundred ninety".