5398634790 has 96 divisors (see below), whose sum is σ = 14475442176. Its totient is φ = 1395213120.

The previous prime is 5398634753. The next prime is 5398634797. The reversal of 5398634790 is 974368935.

5398634790 is a `hidden beast` number, since 539 + 8 + 6 + 34 + 79 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5398634797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 429495 + ... + 441885.

It is an arithmetic number, because the mean of its divisors is an integer number (150785856).

Almost surely, 2^5398634790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5398634790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7237721088).

5398634790 is an abundant number, since it is smaller than the sum of its proper divisors (9076807386).

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

5398634790 is a wasteful number, since it uses less digits than its factorization.

5398634790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12554 (or 12551 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The square root of 5398634790 is about 73475.4026188356. The cubic root of 5398634790 is about 1754.2627823829.

The spelling of 5398634790 in words is "five billion, three hundred ninety-eight million, six hundred thirty-four thousand, seven hundred ninety".