387474 has 8 divisors (see below), whose sum is σ = 774960. Its totient is φ = 129156.

The previous prime is 387463. The next prime is 387493. The reversal of 387474 is 474783.

It is a happy number.

387474 is nontrivially palindromic in base 5.

387474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

387474 is an admirable number.

It is a super-2 number, since 2×387474² = 300272201352, which contains 22 as substring.

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, 32284 + ... + 32295.

It is an arithmetic number, because the mean of its divisors is an integer number (96870).

2³⁸⁷⁴⁷⁴ is an apocalyptic number.

387474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

387474 is a wasteful number, since it uses less digits than its factorization.

387474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64584.

The product of its digits is 18816, while the sum is 33.

The square root of 387474 is about 622.4740958466. The cubic root of 387474 is about 72.9033561917.

It can be divided in two parts, 387 and 474, that added together give a triangular number (861 = T₄₁).

The spelling of 387474 in words is "three hundred eighty-seven thousand, four hundred seventy-four".