1387966050 has 96 divisors (see below), whose sum is σ = 3990994560. Its totient is φ = 354024000.

The previous prime is 1387966039. The next prime is 1387966117. The reversal of 1387966050 is 506697831.

It is a happy number.

1387966050 is a `hidden beast` number, since 1 + 38 + 7 + 9 + 6 + 605 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1387965987 and 1387966005.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8700 + ... + 53400.

It is an arithmetic number, because the mean of its divisors is an integer number (41572860).

Almost surely, 2^1387966050 is an apocalyptic number.

1387966050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1387966050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1995497280).

1387966050 is an abundant number, since it is smaller than the sum of its proper divisors (2603028510).

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

1387966050 is a wasteful number, since it uses less digits than its factorization.

1387966050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44745 (or 44734 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1387966050 is about 37255.4163847353. The cubic root of 1387966050 is about 1115.4744172155.

The spelling of 1387966050 in words is "one billion, three hundred eighty-seven million, nine hundred sixty-six thousand, fifty".