1384242772 has 12 divisors (see below), whose sum is σ = 2642645376. Its totient is φ = 629201240.

The previous prime is 1384242757. The next prime is 1384242803. The reversal of 1384242772 is 2772424831.

It is a super-2 number, since 2×1384242772² = 3832256103668487968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15729988 + ... + 15730075.

It is an arithmetic number, because the mean of its divisors is an integer number (220220448).

Almost surely, 2^1384242772 is an apocalyptic number.

It is an amenable number.

1384242772 is a deficient number, since it is larger than the sum of its proper divisors (1258402604).

1384242772 is a wasteful number, since it uses less digits than its factorization.

1384242772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31460078 (or 31460076 counting only the distinct ones).

The product of its digits is 150528, while the sum is 40.

The square root of 1384242772 is about 37205.4132082954. The cubic root of 1384242772 is about 1114.4760881299.

The spelling of 1384242772 in words is "one billion, three hundred eighty-four million, two hundred forty-two thousand, seven hundred seventy-two".