18950456 has 48 divisors (see below), whose sum is σ = 42784200. Its totient is φ = 7836864.

The previous prime is 18950453. The next prime is 18950471. The reversal of 18950456 is 65405981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18950453) 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, 10535 + ... + 12201.

Almost surely, 2^18950456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18950456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21392100).

18950456 is an abundant number, since it is smaller than the sum of its proper divisors (23833744).

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

18950456 is a wasteful number, since it uses less digits than its factorization.

18950456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 18950456 is about 4353.2121473689. The cubic root of 18950456 is about 266.6080273841.

The spelling of 18950456 in words is "eighteen million, nine hundred fifty thousand, four hundred fifty-six".