1948997 has 8 divisors (see below), whose sum is σ = 2056320. Its totient is φ = 1843600.

The previous prime is 1948993. The next prime is 1949023. The reversal of 1948997 is 7998491.

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 1948997 - 2² = 1948993 is a prime.

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 (1948993) 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 7 ways as a sum of consecutive naturals, for example, 1904 + ... + 2742.

It is an arithmetic number, because the mean of its divisors is an integer number (257040).

2^1948997 is an apocalyptic number.

It is an amenable number.

1948997 is a deficient number, since it is larger than the sum of its proper divisors (107323).

1948997 is a wasteful number, since it uses less digits than its factorization.

1948997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its digits is 163296, while the sum is 47.

The square root of 1948997 is about 1396.0648265750. The cubic root of 1948997 is about 124.9118738849.

The spelling of 1948997 in words is "one million, nine hundred forty-eight thousand, nine hundred ninety-seven".