1238828937 has 8 divisors (see below), whose sum is σ = 1738707360. Its totient is φ = 782418240.

The previous prime is 1238828923. The next prime is 1238828951. The reversal of 1238828937 is 7398288321.

It is an interprime number because it is at equal distance from previous prime (1238828923) and next prime (1238828951).

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

It is not a de Polignac number, because 1238828937 - 2¹⁰ = 1238827913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1238828937.

It is not an unprimeable number, because it can be changed into a prime (1238828917) 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, 10866864 + ... + 10866977.

It is an arithmetic number, because the mean of its divisors is an integer number (217338420).

Almost surely, 2^1238828937 is an apocalyptic number.

It is an amenable number.

1238828937 is a deficient number, since it is larger than the sum of its proper divisors (499878423).

1238828937 is a wasteful number, since it uses less digits than its factorization.

1238828937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21733863.

The product of its digits is 1161216, while the sum is 51.

The square root of 1238828937 is about 35197.0018183367. The cubic root of 1238828937 is about 1073.9987611345.

The spelling of 1238828937 in words is "one billion, two hundred thirty-eight million, eight hundred twenty-eight thousand, nine hundred thirty-seven".