1385800470 has 24 divisors (see below), whose sum is σ = 3603081456. Its totient is φ = 369546768.

The previous prime is 1385800457. The next prime is 1385800477. The reversal of 1385800470 is 740085831.

1385800470 is a `hidden beast` number, since 1 + 3 + 8 + 580 + 0 + 4 + 70 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385800477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7698802 + ... + 7698981.

It is an arithmetic number, because the mean of its divisors is an integer number (150128394).

Almost surely, 2^1385800470 is an apocalyptic number.

1385800470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1385800470 is an abundant number, since it is smaller than the sum of its proper divisors (2217280986).

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

1385800470 is a wasteful number, since it uses less digits than its factorization.

1385800470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15397796 (or 15397793 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1385800470 is about 37226.3410772533. The cubic root of 1385800470 is about 1114.8939739785.

The spelling of 1385800470 in words is "one billion, three hundred eighty-five million, eight hundred thousand, four hundred seventy".