387020194 has 20 divisors (see below), whose sum is σ = 638627670. Its totient is φ = 175904960.

The previous prime is 387020159. The next prime is 387020233. The reversal of 387020194 is 491020783.

It can be written as a sum of positive squares in only one way, i.e., 342731169 + 44289025 = 18513^2 + 6655^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22674 + ... + 35890.

Almost surely, 2^387020194 is an apocalyptic number.

387020194 is a deficient number, since it is larger than the sum of its proper divisors (251607476).

387020194 is an equidigital number, since it uses as much as digits as its factorization.

387020194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13263 (or 13230 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 387020194 is about 19672.8288255655. The cubic root of 387020194 is about 728.7488382561.

The spelling of 387020194 in words is "three hundred eighty-seven million, twenty thousand, one hundred ninety-four".