1948879 has 4 divisors (see below), whose sum is σ = 1976400. Its totient is φ = 1921360.

The previous prime is 1948867. The next prime is 1948883. The reversal of 1948879 is 9788491.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1948879 - 2⁵ = 1948847 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1918879) 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, 13654 + ... + 13795.

It is an arithmetic number, because the mean of its divisors is an integer number (494100).

2^1948879 is an apocalyptic number.

1948879 is a deficient number, since it is larger than the sum of its proper divisors (27521).

1948879 is an equidigital number, since it uses as much as digits as its factorization.

1948879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27520.

The product of its digits is 145152, while the sum is 46.

The square root of 1948879 is about 1396.0225642876. The cubic root of 1948879 is about 124.9093529475.

The spelling of 1948879 in words is "one million, nine hundred forty-eight thousand, eight hundred seventy-nine".