981238 has 4 divisors (see below), whose sum is σ = 1471860. Its totient is φ = 490618.

The previous prime is 981221. The next prime is 981241. The reversal of 981238 is 832189.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

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, 245308 + ... + 245311.

It is an arithmetic number, because the mean of its divisors is an integer number (367965).

2⁹⁸¹²³⁸ is an apocalyptic number.

981238 is a deficient number, since it is larger than the sum of its proper divisors (490622).

981238 is a wasteful number, since it uses less digits than its factorization.

981238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490621.

The product of its digits is 3456, while the sum is 31.

The square root of 981238 is about 990.5745807358. The cubic root of 981238 is about 99.3706474631.

The spelling of 981238 in words is "nine hundred eighty-one thousand, two hundred thirty-eight".