18950148 has 72 divisors (see below), whose sum is σ = 55240640. Its totient is φ = 5365440.

The previous prime is 18950119. The next prime is 18950153. The reversal of 18950148 is 84105981.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34758 + ... + 35298.

Almost surely, 2^18950148 is an apocalyptic number.

18950148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18950148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27620320).

18950148 is an abundant number, since it is smaller than the sum of its proper divisors (36290492).

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

18950148 is a wasteful number, since it uses less digits than its factorization.

18950148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 692 counting only the distinct ones).

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

The square root of 18950148 is about 4353.1767710489. The cubic root of 18950148 is about 266.6065829911.

The spelling of 18950148 in words is "eighteen million, nine hundred fifty thousand, one hundred forty-eight".