237997982 has 4 divisors (see below), whose sum is σ = 356996976. Its totient is φ = 118998990.

The previous prime is 237997979. The next prime is 237997993. The reversal of 237997982 is 289799732.

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

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, 59499494 + ... + 59499497.

It is an arithmetic number, because the mean of its divisors is an integer number (89249244).

Almost surely, 2^237997982 is an apocalyptic number.

237997982 is a deficient number, since it is larger than the sum of its proper divisors (118998994).

237997982 is a wasteful number, since it uses less digits than its factorization.

237997982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118998993.

The product of its digits is 3429216, while the sum is 56.

The square root of 237997982 is about 15427.1832166472. The cubic root of 237997982 is about 619.7136919485.

The spelling of 237997982 in words is "two hundred thirty-seven million, nine hundred ninety-seven thousand, nine hundred eighty-two".