1918152 has 24 divisors (see below), whose sum is σ = 5195190. Its totient is φ = 639360.

The previous prime is 1918151. The next prime is 1918157. The reversal of 1918152 is 2518191.

It can be written as a sum of positive squares in only one way, i.e., 1887876 + 30276 = 1374^2 + 174^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1918151) 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, 13249 + ... + 13392.

2^1918152 is an apocalyptic number.

1918152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1918152 is an abundant number, since it is smaller than the sum of its proper divisors (3277038).

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

1918152 is a wasteful number, since it uses less digits than its factorization.

1918152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26653 (or 26646 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1918152 is about 1384.9736459587. The cubic root of 1918152 is about 124.2494112872.

The spelling of 1918152 in words is "one million, nine hundred eighteen thousand, one hundred fifty-two".