1948539 has 8 divisors (see below), whose sum is σ = 2687760. Its totient is φ = 1254176.

The previous prime is 1948519. The next prime is 1948549. The reversal of 1948539 is 9358491.

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

It is a cyclic number.

It is not a de Polignac number, because 1948539 - 2⁷ = 1948411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1948497 and 1948506.

It is not an unprimeable number, because it can be changed into a prime (1948519) 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, 11112 + ... + 11285.

It is an arithmetic number, because the mean of its divisors is an integer number (335970).

2^1948539 is an apocalyptic number.

1948539 is a deficient number, since it is larger than the sum of its proper divisors (739221).

1948539 is a wasteful number, since it uses less digits than its factorization.

1948539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22429.

The product of its digits is 38880, while the sum is 39.

The square root of 1948539 is about 1395.9007844399. The cubic root of 1948539 is about 124.9020886603.

The spelling of 1948539 in words is "one million, nine hundred forty-eight thousand, five hundred thirty-nine".