1915056 has 160 divisors (see below), whose sum is σ = 6666240. Its totient is φ = 518400.

The previous prime is 1915051. The next prime is 1915057. The reversal of 1915056 is 6505191.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1915051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61761 + ... + 61791.

It is an arithmetic number, because the mean of its divisors is an integer number (41664).

2^1915056 is an apocalyptic number.

1915056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1915056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3333120).

1915056 is an abundant number, since it is smaller than the sum of its proper divisors (4751184).

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

1915056 is a wasteful number, since it uses less digits than its factorization.

1915056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 1915056 is about 1383.8554837843. The cubic root of 1915056 is about 124.1825268891.

The spelling of 1915056 in words is "one million, nine hundred fifteen thousand, fifty-six".