1921296 has 40 divisors (see below), whose sum is σ = 5346880. Its totient is φ = 590976.

The previous prime is 1921277. The next prime is 1921307. The reversal of 1921296 is 6921291.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916 + ... + 2163.

It is an arithmetic number, because the mean of its divisors is an integer number (133672).

2^1921296 is an apocalyptic number.

1921296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1921296 is an abundant number, since it is smaller than the sum of its proper divisors (3425584).

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

1921296 is a wasteful number, since it uses less digits than its factorization.

1921296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103 (or 3097 counting only the distinct ones).

The product of its digits is 1944, while the sum is 30.

The square root of 1921296 is about 1386.1082208832. The cubic root of 1921296 is about 124.3172590409.

It can be divided in two parts, 192 and 1296, that multiplied together give a 5-th power (248832 = 12⁵).

The spelling of 1921296 in words is "one million, nine hundred twenty-one thousand, two hundred ninety-six".