984425021 has 8 divisors (see below), whose sum is σ = 1009649664. Its totient is φ = 959446800.

The previous prime is 984425003. The next prime is 984425027. The reversal of 984425021 is 120524489.

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

It is a cyclic number.

It is not a de Polignac number, because 984425021 - 2¹⁴ = 984408637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984425027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53501 + ... + 69506.

It is an arithmetic number, because the mean of its divisors is an integer number (126206208).

Almost surely, 2^984425021 is an apocalyptic number.

It is an amenable number.

984425021 is a deficient number, since it is larger than the sum of its proper divisors (25224643).

984425021 is a wasteful number, since it uses less digits than its factorization.

984425021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123211.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 984425021 is about 31375.5481386382. The cubic root of 984425021 is about 994.7811513328.

The spelling of 984425021 in words is "nine hundred eighty-four million, four hundred twenty-five thousand, twenty-one".