1948436 has 18 divisors (see below), whose sum is σ = 3966858. Its totient is φ = 834960.

The previous prime is 1948433. The next prime is 1948447. The reversal of 1948436 is 6348491.

It can be written as a sum of positive squares in only one way, i.e., 988036 + 960400 = 994^2 + 980^2 .

It is a nialpdrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1948396 and 1948405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4775 + ... + 5166.

It is an arithmetic number, because the mean of its divisors is an integer number (220381).

2^1948436 is an apocalyptic number.

It is an amenable number.

1948436 is an abundant number, since it is smaller than the sum of its proper divisors (2018422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1948436 is a wasteful number, since it uses less digits than its factorization.

1948436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959 (or 9950 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 1948436 is about 1395.8638902128. The cubic root of 1948436 is about 124.8998878419.

The spelling of 1948436 in words is "one million, nine hundred forty-eight thousand, four hundred thirty-six".