613631436 has 48 divisors (see below), whose sum is σ = 1595220480. Its totient is φ = 181990720.

The previous prime is 613631407. The next prime is 613631443. The reversal of 613631436 is 634136316.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 613631397 and 613631406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43251 + ... + 55658.

It is an arithmetic number, because the mean of its divisors is an integer number (33233760).

Almost surely, 2^613631436 is an apocalyptic number.

613631436 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

613631436 is an abundant number, since it is smaller than the sum of its proper divisors (981589044).

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

613631436 is a wasteful number, since it uses less digits than its factorization.

613631436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98974 (or 98972 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 613631436 is about 24771.5852540769. The cubic root of 613631436 is about 849.7722277819.

The spelling of 613631436 in words is "six hundred thirteen million, six hundred thirty-one thousand, four hundred thirty-six".