1385350620 has 48 divisors (see below), whose sum is σ = 3913328160. Its totient is φ = 366155776.

The previous prime is 1385350613. The next prime is 1385350627. The reversal of 1385350620 is 260535831.

It is an interprime number because it is at equal distance from previous prime (1385350613) and next prime (1385350627).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385350627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95385 + ... + 108944.

It is an arithmetic number, because the mean of its divisors is an integer number (81527670).

Almost surely, 2^1385350620 is an apocalyptic number.

1385350620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1385350620 is an abundant number, since it is smaller than the sum of its proper divisors (2527977540).

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

1385350620 is a wasteful number, since it uses less digits than its factorization.

1385350620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204454 (or 204452 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1385350620 is about 37220.2984942356. The cubic root of 1385350620 is about 1114.7733242546.

The spelling of 1385350620 in words is "one billion, three hundred eighty-five million, three hundred fifty thousand, six hundred twenty".