982403421 has 4 divisors (see below), whose sum is σ = 1309871232. Its totient is φ = 654935612.

The previous prime is 982403369. The next prime is 982403431. The reversal of 982403421 is 124304289.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 982403421 - 2¹⁹ = 981879133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982403431) 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, 163733901 + ... + 163733906.

It is an arithmetic number, because the mean of its divisors is an integer number (327467808).

Almost surely, 2^982403421 is an apocalyptic number.

It is an amenable number.

982403421 is a deficient number, since it is larger than the sum of its proper divisors (327467811).

982403421 is a wasteful number, since it uses less digits than its factorization.

982403421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327467810.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 982403421 is about 31343.3154117429. The cubic root of 982403421 is about 994.0997289372.

The spelling of 982403421 in words is "nine hundred eighty-two million, four hundred three thousand, four hundred twenty-one".