1384045972 has 6 divisors (see below), whose sum is σ = 2422080458. Its totient is φ = 692022984.

The previous prime is 1384045961. The next prime is 1384045981. The reversal of 1384045972 is 2795404831.

It can be written as a sum of positive squares in only one way, i.e., 873557136 + 510488836 = 29556^2 + 22594^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173005743 + ... + 173005750.

Almost surely, 2^1384045972 is an apocalyptic number.

It is an amenable number.

1384045972 is a deficient number, since it is larger than the sum of its proper divisors (1038034486).

1384045972 is a wasteful number, since it uses less digits than its factorization.

1384045972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346011497 (or 346011495 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1384045972 is about 37202.7683378536. The cubic root of 1384045972 is about 1114.4232700132.

The spelling of 1384045972 in words is "one billion, three hundred eighty-four million, forty-five thousand, nine hundred seventy-two".