103399236 has 72 divisors (see below), whose sum is σ = 279508320. Its totient is φ = 32115456.

The previous prime is 103399207. The next prime is 103399271. The reversal of 103399236 is 632993301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 103399236.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64695 + ... + 66273.

It is an arithmetic number, because the mean of its divisors is an integer number (3882060).

Almost surely, 2^103399236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103399236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139754160).

103399236 is an abundant number, since it is smaller than the sum of its proper divisors (176109084).

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

103399236 is a wasteful number, since it uses less digits than its factorization.

103399236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 103399236 is about 10168.5414883355. The cubic root of 103399236 is about 469.3596772959.

The spelling of 103399236 in words is "one hundred three million, three hundred ninety-nine thousand, two hundred thirty-six".