2421958398 has 8 divisors (see below), whose sum is σ = 4843916808. Its totient is φ = 807319464.

The previous prime is 2421958387. The next prime is 2421958417. The reversal of 2421958398 is 8938591242.

2421958398 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

2421958398 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421958398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201829861 + ... + 201829872.

It is an arithmetic number, because the mean of its divisors is an integer number (605489601).

Almost surely, 2^2421958398 is an apocalyptic number.

2421958398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2421958398 is a wasteful number, since it uses less digits than its factorization.

2421958398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403659738.

The product of its digits is 1244160, while the sum is 51.

The square root of 2421958398 is about 49213.3965298068. The cubic root of 2421958398 is about 1342.9367531938.

The spelling of 2421958398 in words is "two billion, four hundred twenty-one million, nine hundred fifty-eight thousand, three hundred ninety-eight".