1387433486 has 16 divisors (see below), whose sum is σ = 2175117840. Its totient is φ = 662887680.

The previous prime is 1387433483. The next prime is 1387433497. The reversal of 1387433486 is 6843347831.

It is a super-2 number, since 2×1387433486² = 3849943356148224392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1387433486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387433483) 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, 117680 + ... + 128931.

It is an arithmetic number, because the mean of its divisors is an integer number (135944865).

Almost surely, 2^1387433486 is an apocalyptic number.

1387433486 is a deficient number, since it is larger than the sum of its proper divisors (787684354).

1387433486 is a wasteful number, since it uses less digits than its factorization.

1387433486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246739.

The product of its digits is 1161216, while the sum is 47.

The square root of 1387433486 is about 37248.2682282009. The cubic root of 1387433486 is about 1115.3317294040.

The spelling of 1387433486 in words is "one billion, three hundred eighty-seven million, four hundred thirty-three thousand, four hundred eighty-six".