387472 has 20 divisors (see below), whose sum is σ = 764956. Its totient is φ = 190080.
The previous prime is 387463. The next prime is 387493. The reversal of 387472 is 274783.
It can be written as a sum of positive squares in 2 ways, for example, as 112896 + 274576 = 336^2 + 524^2 .
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778 + ... + 1174.
2387472 is an apocalyptic number.
It is an amenable number.
387472 is a deficient number, since it is larger than the sum of its proper divisors (377484).
387472 is a wasteful number, since it uses less digits than its factorization.
387472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 466 (or 460 counting only the distinct ones).
The product of its digits is 9408, while the sum is 31.
The square root of 387472 is about 622.4724893519. The cubic root of 387472 is about 72.9032307580.
The spelling of 387472 in words is "three hundred eighty-seven thousand, four hundred seventy-two".
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