18950738 has 8 divisors (see below), whose sum is σ = 28465932. Its totient is φ = 9462096.

The previous prime is 18950719. The next prime is 18950747. The reversal of 18950738 is 83705981.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16999129 + 1951609 = 4123^2 + 1397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18950695 and 18950704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4745 + ... + 7772.

Almost surely, 2^18950738 is an apocalyptic number.

18950738 is a deficient number, since it is larger than the sum of its proper divisors (9515194).

18950738 is a wasteful number, since it uses less digits than its factorization.

18950738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13276.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 18950738 is about 4353.2445371240. The cubic root of 18950738 is about 266.6093498341.

The spelling of 18950738 in words is "eighteen million, nine hundred fifty thousand, seven hundred thirty-eight".