18950454 has 12 divisors (see below), whose sum is σ = 41059356. Its totient is φ = 6316812.

The previous prime is 18950453. The next prime is 18950471. The reversal of 18950454 is 45405981.

It is a super-2 number, since 2×18950454² = 718239413612232, which contains 22 as substring.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 526384 + ... + 526419.

It is an arithmetic number, because the mean of its divisors is an integer number (3421613).

Almost surely, 2^18950454 is an apocalyptic number.

18950454 is an abundant number, since it is smaller than the sum of its proper divisors (22108902).

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

18950454 is a wasteful number, since it uses less digits than its factorization.

18950454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052811 (or 1052808 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 18950454 is about 4353.2119176534. The cubic root of 18950454 is about 266.6080180050.

The spelling of 18950454 in words is "eighteen million, nine hundred fifty thousand, four hundred fifty-four".