1385047371 has 8 divisors (see below), whose sum is σ = 1886022144. Its totient is φ = 903718760.

The previous prime is 1385047331. The next prime is 1385047379. The reversal of 1385047371 is 1737405831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1385047371 - 2²⁶ = 1317938507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1385047379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4911375 + ... + 4911656.

It is an arithmetic number, because the mean of its divisors is an integer number (235752768).

Almost surely, 2^1385047371 is an apocalyptic number.

1385047371 is a deficient number, since it is larger than the sum of its proper divisors (500974773).

1385047371 is an equidigital number, since it uses as much as digits as its factorization.

1385047371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9823081.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1385047371 is about 37216.2245667128. The cubic root of 1385047371 is about 1114.6919781654.

The spelling of 1385047371 in words is "one billion, three hundred eighty-five million, forty-seven thousand, three hundred seventy-one".