984797479 has 2 divisors, whose sum is σ = 984797480. Its totient is φ = 984797478.

The previous prime is 984797459. The next prime is 984797501. The reversal of 984797479 is 974797489.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 984797479 - 2¹³ = 984789287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 984797479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (984797449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492398739 + 492398740.

It is an arithmetic number, because the mean of its divisors is an integer number (492398740).

Almost surely, 2^984797479 is an apocalyptic number.

984797479 is a deficient number, since it is larger than the sum of its proper divisors (1).

984797479 is an equidigital number, since it uses as much as digits as its factorization.

984797479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32006016, while the sum is 64.

The square root of 984797479 is about 31381.4830592819. The cubic root of 984797479 is about 994.9065942637.

The spelling of 984797479 in words is "nine hundred eighty-four million, seven hundred ninety-seven thousand, four hundred seventy-nine".