1948541 has 4 divisors (see below), whose sum is σ = 2226912. Its totient is φ = 1670172.

The previous prime is 1948519. The next prime is 1948549. The reversal of 1948541 is 1458491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1458491 = 113 ⋅12907.

It is a de Polignac number, because none of the positive numbers 2^k-1948541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1948498 and 1948507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139175 + ... + 139188.

It is an arithmetic number, because the mean of its divisors is an integer number (556728).

2^1948541 is an apocalyptic number.

It is an amenable number.

1948541 is a deficient number, since it is larger than the sum of its proper divisors (278371).

1948541 is an equidigital number, since it uses as much as digits as its factorization.

1948541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278370.

The product of its digits is 5760, while the sum is 32.

The square root of 1948541 is about 1395.9015008230. The cubic root of 1948541 is about 124.9021313939.

The spelling of 1948541 in words is "one million, nine hundred forty-eight thousand, five hundred forty-one".