1385611982 has 16 divisors (see below), whose sum is σ = 2123919360. Its totient is φ = 677656728.

The previous prime is 1385611973. The next prime is 1385612003. The reversal of 1385611982 is 2891165831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204119 + ... + 210797.

It is an arithmetic number, because the mean of its divisors is an integer number (132744960).

Almost surely, 2^1385611982 is an apocalyptic number.

1385611982 is a deficient number, since it is larger than the sum of its proper divisors (738307378).

1385611982 is a wasteful number, since it uses less digits than its factorization.

1385611982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8935.

The product of its digits is 103680, while the sum is 44.

The square root of 1385611982 is about 37223.8093429461. The cubic root of 1385611982 is about 1114.8434246948.

The spelling of 1385611982 in words is "one billion, three hundred eighty-five million, six hundred eleven thousand, nine hundred eighty-two".