386677890 has 48 divisors (see below), whose sum is σ = 1015750008. Its totient is φ = 102048768.

The previous prime is 386677867. The next prime is 386677897. The reversal of 386677890 is 98776683.

It can be written as a sum of positive squares in 4 ways, for example, as 357550281 + 29127609 = 18909^2 + 5397^2 .

It is a super-2 number, since 2×386677890² = 299039581229704200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (386677897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13417 + ... + 30876.

Almost surely, 2^386677890 is an apocalyptic number.

386677890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

386677890 is an abundant number, since it is smaller than the sum of its proper divisors (629072118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386677890 is a wasteful number, since it uses less digits than its factorization.

386677890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44403 (or 44400 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 386677890 is about 19664.1269829098. The cubic root of 386677890 is about 728.5339250756.

The spelling of 386677890 in words is "three hundred eighty-six million, six hundred seventy-seven thousand, eight hundred ninety".