18750348 has 36 divisors (see below), whose sum is σ = 47528208. Its totient is φ = 6232800.

The previous prime is 18750341. The next prime is 18750349. The reversal of 18750348 is 84305781.

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

It is a super-2 number, since 2×18750348² = 703151100242208, which contains 22 as substring.

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 (18750341) 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, 24865 + ... + 25607.

It is an arithmetic number, because the mean of its divisors is an integer number (1320228).

Almost surely, 2^18750348 is an apocalyptic number.

18750348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18750348 is an abundant number, since it is smaller than the sum of its proper divisors (28777860).

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

18750348 is a wasteful number, since it uses less digits than its factorization.

18750348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 18750348 is about 4330.1672023145. The cubic root of 18750348 is about 265.6662858641. Note that the first 3 decimals are identical.

The spelling of 18750348 in words is "eighteen million, seven hundred fifty thousand, three hundred forty-eight".