1915072 has 28 divisors (see below), whose sum is σ = 3968496. Its totient is φ = 915200.

The previous prime is 1915057. The next prime is 1915099. The reversal of 1915072 is 2705191.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822 + ... + 2122.

It is an arithmetic number, because the mean of its divisors is an integer number (141732).

2^1915072 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 1915072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1984248).

1915072 is an abundant number, since it is smaller than the sum of its proper divisors (2053424).

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

1915072 is a wasteful number, since it uses less digits than its factorization.

1915072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 1915072 is about 1383.8612647227. The cubic root of 1915072 is about 124.1828727302.

The spelling of 1915072 in words is "one million, nine hundred fifteen thousand, seventy-two".