1384262638 has 32 divisors (see below), whose sum is σ = 2420886528. Its totient is φ = 586646400.

The previous prime is 1384262609. The next prime is 1384262701. The reversal of 1384262638 is 8362624831.

It is a junction number, because it is equal to n+sod(n) for n = 1384262594 and 1384262603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22723 + ... + 57313.

It is an arithmetic number, because the mean of its divisors is an integer number (75652704).

Almost surely, 2^1384262638 is an apocalyptic number.

1384262638 is a deficient number, since it is larger than the sum of its proper divisors (1036623890).

1384262638 is a wasteful number, since it uses less digits than its factorization.

1384262638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34728.

The product of its digits is 331776, while the sum is 43.

The square root of 1384262638 is about 37205.6801846170. The cubic root of 1384262638 is about 1114.4814195830.

The spelling of 1384262638 in words is "one billion, three hundred eighty-four million, two hundred sixty-two thousand, six hundred thirty-eight".