1238841950 has 12 divisors (see below), whose sum is σ = 2304246120. Its totient is φ = 495536760.

The previous prime is 1238841907. The next prime is 1238841959. The reversal of 1238841950 is 591488321.

It is a super-4 number, since 4×1238841950⁴ (a number of 37 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1238841898 and 1238841907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238841959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12388370 + ... + 12388469.

It is an arithmetic number, because the mean of its divisors is an integer number (192020510).

Almost surely, 2^1238841950 is an apocalyptic number.

1238841950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1238841950 is a deficient number, since it is larger than the sum of its proper divisors (1065404170).

1238841950 is a wasteful number, since it uses less digits than its factorization.

1238841950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24776851 (or 24776846 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1238841950 is about 35197.1866773468. The cubic root of 1238841950 is about 1074.0025216475.

The spelling of 1238841950 in words is "one billion, two hundred thirty-eight million, eight hundred forty-one thousand, nine hundred fifty".