1948915 has 4 divisors (see below), whose sum is σ = 2338704. Its totient is φ = 1559128.

The previous prime is 1948909. The next prime is 1948927. The reversal of 1948915 is 5198491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5198491 = 127 ⋅40933.

It is a cyclic number.

It is not a de Polignac number, because 1948915 - 2³ = 1948907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194887 + ... + 194896.

It is an arithmetic number, because the mean of its divisors is an integer number (584676).

2^1948915 is an apocalyptic number.

1948915 is a deficient number, since it is larger than the sum of its proper divisors (389789).

1948915 is an equidigital number, since it uses as much as digits as its factorization.

1948915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389788.

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

The square root of 1948915 is about 1396.0354580024. The cubic root of 1948915 is about 124.9101220578.

The spelling of 1948915 in words is "one million, nine hundred forty-eight thousand, nine hundred fifteen".