1915266 has 8 divisors (see below), whose sum is σ = 3830544. Its totient is φ = 638420.

The previous prime is 1915259. The next prime is 1915267. The reversal of 1915266 is 6625191.

It is a sphenic number, since it is the product of 3 distinct primes.

1915266 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1915267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159600 + ... + 159611.

It is an arithmetic number, because the mean of its divisors is an integer number (478818).

2^1915266 is an apocalyptic number.

1915266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1915266 is a wasteful number, since it uses less digits than its factorization.

1915266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319216.

The product of its digits is 3240, while the sum is 30.

The square root of 1915266 is about 1383.9313566792. The cubic root of 1915266 is about 124.1870658996.

The spelling of 1915266 in words is "one million, nine hundred fifteen thousand, two hundred sixty-six".