1915064 has 8 divisors (see below), whose sum is σ = 3590760. Its totient is φ = 957528.

The previous prime is 1915057. The next prime is 1915099. The reversal of 1915064 is 4605191.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119684 + ... + 119699.

It is an arithmetic number, because the mean of its divisors is an integer number (448845).

2^1915064 is an apocalyptic number.

It is an amenable number.

1915064 is a deficient number, since it is larger than the sum of its proper divisors (1675696).

1915064 is a wasteful number, since it uses less digits than its factorization.

1915064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239389 (or 239385 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1915064 is about 1383.8583742566. The cubic root of 1915064 is about 124.1826998099.

The spelling of 1915064 in words is "one million, nine hundred fifteen thousand, sixty-four".