1948161 has 8 divisors (see below), whose sum is σ = 2667904. Its totient is φ = 1263600.

The previous prime is 1948147. The next prime is 1948171. The reversal of 1948161 is 1618491.

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

It is not a de Polignac number, because 1948161 - 2⁵ = 1948129 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

1948161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1948171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8665 + ... + 8886.

It is an arithmetic number, because the mean of its divisors is an integer number (333488).

2^1948161 is an apocalyptic number.

It is an amenable number.

1948161 is a deficient number, since it is larger than the sum of its proper divisors (719743).

1948161 is a wasteful number, since it uses less digits than its factorization.

1948161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17591.

The product of its digits is 1728, while the sum is 30.

The square root of 1948161 is about 1395.7653814306. The cubic root of 1948161 is about 124.8940114902.

The spelling of 1948161 in words is "one million, nine hundred forty-eight thousand, one hundred sixty-one".