1383728402 has 16 divisors (see below), whose sum is σ = 2373062400. Its totient is φ = 592787328.

The previous prime is 1383728383. The next prime is 1383728407. The reversal of 1383728402 is 2048273831.

It is not an unprimeable number, because it can be changed into a prime (1383728407) 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, 18599 + ... + 55797.

It is an arithmetic number, because the mean of its divisors is an integer number (148316400).

Almost surely, 2^1383728402 is an apocalyptic number.

It is a pronic number, being equal to 37198×37199.

1383728402 is a deficient number, since it is larger than the sum of its proper divisors (989333998).

1383728402 is a wasteful number, since it uses less digits than its factorization.

1383728402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39865.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 1383728402 is about 37198.4999966396. The cubic root of 1383728402 is about 1114.3380285119.

The spelling of 1383728402 in words is "one billion, three hundred eighty-three million, seven hundred twenty-eight thousand, four hundred two".