1386370224 has 120 divisors (see below), whose sum is σ = 3995303312. Its totient is φ = 448519680.

The previous prime is 1386370199. The next prime is 1386370243. The reversal of 1386370224 is 4220736831.

It is a happy number.

1386370224 is a `hidden beast` number, since 13 + 8 + 637 + 0 + 2 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1120134 + ... + 1121370.

Almost surely, 2^1386370224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386370224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997651656).

1386370224 is an abundant number, since it is smaller than the sum of its proper divisors (2608933088).

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

1386370224 is a wasteful number, since it uses less digits than its factorization.

1386370224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1466 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1386370224 is about 37233.9928559912. The cubic root of 1386370224 is about 1115.0467444726.

The spelling of 1386370224 in words is "one billion, three hundred eighty-six million, three hundred seventy thousand, two hundred twenty-four".