1915948 has 12 divisors (see below), whose sum is σ = 3365712. Its totient is φ = 954320.

The previous prime is 1915939. The next prime is 1915957. The reversal of 1915948 is 8495191.

It is an interprime number because it is at equal distance from previous prime (1915939) and next prime (1915957).

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 in 3 ways as a sum of consecutive naturals, for example, 513 + ... + 2023.

It is an arithmetic number, because the mean of its divisors is an integer number (280476).

2^1915948 is an apocalyptic number.

It is an amenable number.

1915948 is a deficient number, since it is larger than the sum of its proper divisors (1449764).

1915948 is a wasteful number, since it uses less digits than its factorization.

1915948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832 (or 1830 counting only the distinct ones).

The product of its digits is 12960, while the sum is 37.

The square root of 1915948 is about 1384.1777342524. The cubic root of 1915948 is about 124.2018045883.

The spelling of 1915948 in words is "one million, nine hundred fifteen thousand, nine hundred forty-eight".