103919436 has 144 divisors (see below), whose sum is σ = 304536960. Its totient is φ = 30792960.

The previous prime is 103919429. The next prime is 103919437. The reversal of 103919436 is 634919301.

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 103919436.

It is not an unprimeable number, because it can be changed into a prime (103919437) 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, 313791 + ... + 314121.

It is an arithmetic number, because the mean of its divisors is an integer number (2114840).

Almost surely, 2^103919436 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 103919436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152268480).

103919436 is an abundant number, since it is smaller than the sum of its proper divisors (200617524).

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

103919436 is a wasteful number, since it uses less digits than its factorization.

103919436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 103919436 is about 10194.0882868455. The cubic root of 103919436 is about 470.1454748109.

The spelling of 103919436 in words is "one hundred three million, nine hundred nineteen thousand, four hundred thirty-six".