18954332 has 6 divisors (see below), whose sum is σ = 33170088. Its totient is φ = 9477164.

The previous prime is 18954329. The next prime is 18954349. The reversal of 18954332 is 23345981.

It is a junction number, because it is equal to n+sod(n) for n = 18954292 and 18954301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2369288 + ... + 2369295.

It is an arithmetic number, because the mean of its divisors is an integer number (5528348).

Almost surely, 2^18954332 is an apocalyptic number.

It is an amenable number.

18954332 is a deficient number, since it is larger than the sum of its proper divisors (14215756).

18954332 is a wasteful number, since it uses less digits than its factorization.

18954332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738587 (or 4738585 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 18954332 is about 4353.6573131104. The cubic root of 18954332 is about 266.6262028881.

The spelling of 18954332 in words is "eighteen million, nine hundred fifty-four thousand, three hundred thirty-two".