983744421 has 16 divisors (see below), whose sum is σ = 1477060608. Its totient is φ = 576975600.

The previous prime is 983744417. The next prime is 983744429. The reversal of 983744421 is 124447389.

It is not a de Polignac number, because 983744421 - 2² = 983744417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983744429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479791 + ... + 481836.

It is an arithmetic number, because the mean of its divisors is an integer number (92316288).

Almost surely, 2^983744421 is an apocalyptic number.

It is an amenable number.

983744421 is a deficient number, since it is larger than the sum of its proper divisors (493316187).

983744421 is a wasteful number, since it uses less digits than its factorization.

983744421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961672.

The product of its digits is 193536, while the sum is 42.

The square root of 983744421 is about 31364.7002376876. The cubic root of 983744421 is about 994.5518451805.

The spelling of 983744421 in words is "nine hundred eighty-three million, seven hundred forty-four thousand, four hundred twenty-one".