387450 has 96 divisors (see below), whose sum is σ = 1249920. Its totient is φ = 86400.

The previous prime is 387449. The next prime is 387463. The reversal of 387450 is 54783.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 387450.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9430 + ... + 9470.

It is an arithmetic number, because the mean of its divisors is an integer number (13020).

2³⁸⁷⁴⁵⁰ is an apocalyptic number.

387450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 387450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624960).

387450 is an abundant number, since it is smaller than the sum of its proper divisors (862470).

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

387450 is a wasteful number, since it uses less digits than its factorization.

387450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 387450 is about 622.4548176374. The cubic root of 387450 is about 72.9018509581.

The spelling of 387450 in words is "three hundred eighty-seven thousand, four hundred fifty".