613087398 has 72 divisors (see below), whose sum is σ = 1668720144. Its totient is φ = 159239520.

The previous prime is 613087369. The next prime is 613087417. The reversal of 613087398 is 893780316.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4861 + ... + 35352.

Almost surely, 2^613087398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613087398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834360072).

613087398 is an abundant number, since it is smaller than the sum of its proper divisors (1055632746).

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

613087398 is a wasteful number, since it uses less digits than its factorization.

613087398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40250 (or 40236 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 613087398 is about 24760.6017293603. The cubic root of 613087398 is about 849.5210210319.

It can be divided in two parts, 6130 and 87398, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 613087398 in words is "six hundred thirteen million, eighty-seven thousand, three hundred ninety-eight".