1970000239 has 8 divisors (see below), whose sum is σ = 2086384608. Its totient is φ = 1853671680.

The previous prime is 1970000191. The next prime is 1970000297. The reversal of 1970000239 is 9320000791.

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

It is a cyclic number.

It is not a de Polignac number, because 1970000239 - 2¹³ = 1969992047 is a prime.

It is a Duffinian number.

1970000239 is a modest number, since divided by 239 gives 197 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1970000239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970000339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74974 + ... + 97780.

It is an arithmetic number, because the mean of its divisors is an integer number (260798076).

Almost surely, 2^1970000239 is an apocalyptic number.

1970000239 is a deficient number, since it is larger than the sum of its proper divisors (116384369).

1970000239 is a wasteful number, since it uses less digits than its factorization.

1970000239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27905.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1970000239 is about 44384.6847347145. The cubic root of 1970000239 is about 1253.5897321766.

The spelling of 1970000239 in words is "one billion, nine hundred seventy million, two hundred thirty-nine", and thus it is an aban number.