1238886930 has 16 divisors (see below), whose sum is σ = 2973328704. Its totient is φ = 330369840.

The previous prime is 1238886923. The next prime is 1238886937. The reversal of 1238886930 is 396888321.

It is an interprime number because it is at equal distance from previous prime (1238886923) and next prime (1238886937).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1238886930.

It is not an unprimeable number, because it can be changed into a prime (1238886937) 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, 20648086 + ... + 20648145.

It is an arithmetic number, because the mean of its divisors is an integer number (185833044).

Almost surely, 2^1238886930 is an apocalyptic number.

1238886930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1238886930 is an abundant number, since it is smaller than the sum of its proper divisors (1734441774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1238886930 is a wasteful number, since it uses less digits than its factorization.

1238886930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41296241.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 1238886930 is about 35197.8256430706. The cubic root of 1238886930 is about 1074.0155198212.

The spelling of 1238886930 in words is "one billion, two hundred thirty-eight million, eight hundred eighty-six thousand, nine hundred thirty".