1386199474 has 24 divisors (see below), whose sum is σ = 2289157164. Its totient is φ = 629085600.

The previous prime is 1386199459. The next prime is 1386199531. The reversal of 1386199474 is 4749916831.

It can be written as a sum of positive squares in 2 ways, for example, as 1021122025 + 365077449 = 31955^2 + 19107^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159604 + ... + 168064.

Almost surely, 2^1386199474 is an apocalyptic number.

1386199474 is a deficient number, since it is larger than the sum of its proper divisors (902957690).

1386199474 is a wasteful number, since it uses less digits than its factorization.

1386199474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9162 (or 9151 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 1386199474 is about 37231.6998537537. The cubic root of 1386199474 is about 1115.0009649626. Note that the first 3 decimals are identical.

The spelling of 1386199474 in words is "one billion, three hundred eighty-six million, one hundred ninety-nine thousand, four hundred seventy-four".