1994148 has 36 divisors (see below), whose sum is σ = 5429788. Its totient is φ = 613440.

The previous prime is 1994143. The next prime is 1994191. The reversal of 1994148 is 8414991.

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 788544 = 1098^2 + 888^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994143) 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, 1663 + ... + 2598.

2^1994148 is an apocalyptic number.

1994148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1994148 is an abundant number, since it is smaller than the sum of its proper divisors (3435640).

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

1994148 is a wasteful number, since it uses less digits than its factorization.

1994148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284 (or 4279 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1994148 is about 1412.1430522436. The cubic root of 1994148 is about 125.8691006414.

The spelling of 1994148 in words is "one million, nine hundred ninety-four thousand, one hundred forty-eight".