1948897 has 4 divisors (see below), whose sum is σ = 2063556. Its totient is φ = 1834240.

The previous prime is 1948883. The next prime is 1948907. The reversal of 1948897 is 7988491.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1527696 + 421201 = 1236^2 + 649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1948897 - 2¹⁵ = 1916129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1948847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57304 + ... + 57337.

It is an arithmetic number, because the mean of its divisors is an integer number (515889).

2^1948897 is an apocalyptic number.

1948897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1948897 is a deficient number, since it is larger than the sum of its proper divisors (114659).

1948897 is a wasteful number, since it uses less digits than its factorization.

1948897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114658.

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

The square root of 1948897 is about 1396.0290111599. The cubic root of 1948897 is about 124.9097375038.

The spelling of 1948897 in words is "one million, nine hundred forty-eight thousand, eight hundred ninety-seven".