1948851 has 12 divisors (see below), whose sum is σ = 2851680. Its totient is φ = 1282320.

The previous prime is 1948847. The next prime is 1948861. The reversal of 1948851 is 1588491.

It is not a de Polignac number, because 1948851 - 2² = 1948847 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1948801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (237640).

2^1948851 is an apocalyptic number.

1948851 is a deficient number, since it is larger than the sum of its proper divisors (902829).

1948851 is a wasteful number, since it uses less digits than its factorization.

1948851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826 (or 2823 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1948851 is about 1396.0125357603. The cubic root of 1948851 is about 124.9087547440.

It can be divided in two parts, 194 and 8851, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 1948851 in words is "one million, nine hundred forty-eight thousand, eight hundred fifty-one".