1948957 has 4 divisors (see below), whose sum is σ = 1962016. Its totient is φ = 1935900.

The previous prime is 1948937. The next prime is 1948981. The reversal of 1948957 is 7598491.

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: 7598491 = 71 ⋅107021.

It is a cyclic number.

It is not a de Polignac number, because 1948957 - 2¹¹ = 1946909 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948907) 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, 6303 + ... + 6604.

It is an arithmetic number, because the mean of its divisors is an integer number (490504).

2^1948957 is an apocalyptic number.

It is an amenable number.

1948957 is a deficient number, since it is larger than the sum of its proper divisors (13059).

1948957 is a wasteful number, since it uses less digits than its factorization.

1948957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13058.

The product of its digits is 90720, while the sum is 43.

The square root of 1948957 is about 1396.0505005192. The cubic root of 1948957 is about 124.9110193412.

The spelling of 1948957 in words is "one million, nine hundred forty-eight thousand, nine hundred fifty-seven".