385452 has 48 divisors (see below), whose sum is σ = 1034880. Its totient is φ = 123984.

The previous prime is 385433. The next prime is 385471. The reversal of 385452 is 254583.

It is an interprime number because it is at equal distance from previous prime (385433) and next prime (385471).

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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4603 + ... + 4685.

It is an arithmetic number, because the mean of its divisors is an integer number (21560).

2³⁸⁵⁴⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517440).

385452 is an abundant number, since it is smaller than the sum of its proper divisors (649428).

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

385452 is a wasteful number, since it uses less digits than its factorization.

385452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 131 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 385452 is about 620.8478074375. The cubic root of 385452 is about 72.7763216477.

The spelling of 385452 in words is "three hundred eighty-five thousand, four hundred fifty-two".