984274399 has 4 divisors (see below), whose sum is σ = 984800664. Its totient is φ = 983748136.

The previous prime is 984274373. The next prime is 984274411. The reversal of 984274399 is 993472489.

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 984274399 - 2⁵ = 984274367 is a prime.

It is a super-2 number, since 2×984274399² = 1937592185053622402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984274339) 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, 260317 + ... + 264070.

It is an arithmetic number, because the mean of its divisors is an integer number (246200166).

Almost surely, 2^984274399 is an apocalyptic number.

984274399 is a deficient number, since it is larger than the sum of its proper divisors (526265).

984274399 is a wasteful number, since it uses less digits than its factorization.

984274399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526264.

The product of its digits is 3919104, while the sum is 55.

The square root of 984274399 is about 31373.1477381534. The cubic root of 984274399 is about 994.7304132315.

The spelling of 984274399 in words is "nine hundred eighty-four million, two hundred seventy-four thousand, three hundred ninety-nine".