18948962 has 4 divisors (see below), whose sum is σ = 28423446. Its totient is φ = 9474480.

The previous prime is 18948959. The next prime is 18948973. The reversal of 18948962 is 26984981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13184161 + 5764801 = 3631^2 + 2401^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4737239 + ... + 4737242.

Almost surely, 2^18948962 is an apocalyptic number.

18948962 is a deficient number, since it is larger than the sum of its proper divisors (9474484).

18948962 is an equidigital number, since it uses as much as digits as its factorization.

18948962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474483.

The product of its digits is 248832, while the sum is 47.

The square root of 18948962 is about 4353.0405465605. The cubic root of 18948962 is about 266.6010209940.

The spelling of 18948962 in words is "eighteen million, nine hundred forty-eight thousand, nine hundred sixty-two".