4890238398 has 24 divisors (see below), whose sum is σ = 10689286608. Its totient is φ = 1615653312.

The previous prime is 4890238393. The next prime is 4890238399. The reversal of 4890238398 is 8938320984.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890238393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1200090 + ... + 1204157.

It is an arithmetic number, because the mean of its divisors is an integer number (445386942).

Almost surely, 2^4890238398 is an apocalyptic number.

4890238398 is an abundant number, since it is smaller than the sum of its proper divisors (5799048210).

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

4890238398 is a wasteful number, since it uses less digits than its factorization.

4890238398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404368 (or 2404365 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 4890238398 is about 69930.2395105293. The cubic root of 4890238398 is about 1697.3706062573.

The spelling of 4890238398 in words is "four billion, eight hundred ninety million, two hundred thirty-eight thousand, three hundred ninety-eight".