1915116 has 36 divisors (see below), whose sum is σ = 5199768. Its totient is φ = 547008.

The previous prime is 1915103. The next prime is 1915117. The reversal of 1915116 is 6115191.

It is not an unprimeable number, because it can be changed into a prime (1915117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1041 + ... + 2216.

It is an arithmetic number, because the mean of its divisors is an integer number (144438).

2^1915116 is an apocalyptic number.

It is an amenable number.

1915116 is an abundant number, since it is smaller than the sum of its proper divisors (3284652).

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

1915116 is a wasteful number, since it uses less digits than its factorization.

1915116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3269 counting only the distinct ones).

The product of its digits is 270, while the sum is 24.

The square root of 1915116 is about 1383.8771621788. The cubic root of 1915116 is about 124.1838237831.

The spelling of 1915116 in words is "one million, nine hundred fifteen thousand, one hundred sixteen".