1387859350 has 12 divisors (see below), whose sum is σ = 2581418484. Its totient is φ = 555143720.

The previous prime is 1387859329. The next prime is 1387859371. The reversal of 1387859350 is 539587831.

It is an interprime number because it is at equal distance from previous prime (1387859329) and next prime (1387859371).

It is a junction number, because it is equal to n+sod(n) for n = 1387859294 and 1387859303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13878544 + ... + 13878643.

It is an arithmetic number, because the mean of its divisors is an integer number (215118207).

Almost surely, 2^1387859350 is an apocalyptic number.

1387859350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1387859350 is a deficient number, since it is larger than the sum of its proper divisors (1193559134).

1387859350 is a wasteful number, since it uses less digits than its factorization.

1387859350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27757199 (or 27757194 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 1387859350 is about 37253.9843506705. The cubic root of 1387859350 is about 1115.4458324217.

The spelling of 1387859350 in words is "one billion, three hundred eighty-seven million, eight hundred fifty-nine thousand, three hundred fifty".