1384957953 has 32 divisors (see below), whose sum is σ = 2124800000. Its totient is φ = 890643600.

The previous prime is 1384957943. The next prime is 1384957961. The reversal of 1384957953 is 3597594831.

1384957953 is a `hidden beast` number, since 1 + 38 + 495 + 79 + 53 = 666.

It is not a de Polignac number, because 1384957953 - 2⁸ = 1384957697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1384957953.

It is not an unprimeable number, because it can be changed into a prime (1384957913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274548 + ... + 279546.

It is an arithmetic number, because the mean of its divisors is an integer number (66400000).

Almost surely, 2^1384957953 is an apocalyptic number.

It is an amenable number.

1384957953 is a deficient number, since it is larger than the sum of its proper divisors (739842047).

1384957953 is a wasteful number, since it uses less digits than its factorization.

1384957953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370 (or 5364 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 1384957953 is about 37215.0232164377. The cubic root of 1384957953 is about 1114.6679896544.

The spelling of 1384957953 in words is "one billion, three hundred eighty-four million, nine hundred fifty-seven thousand, nine hundred fifty-three".