409452 has 24 divisors (see below), whose sum is σ = 966000. Its totient is φ = 134976.

The previous prime is 409441. The next prime is 409463. The reversal of 409452 is 254904.

It is an interprime number because it is at equal distance from previous prime (409441) and next prime (409463).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 409452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674 + ... + 1902.

It is an arithmetic number, because the mean of its divisors is an integer number (40250).

2⁴⁰⁹⁴⁵² is an apocalyptic number.

It is an amenable number.

409452 is an abundant number, since it is smaller than the sum of its proper divisors (556548).

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

409452 is a wasteful number, since it uses less digits than its factorization.

409452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 409452 is about 639.8843645535. The cubic root of 409452 is about 74.2564755318.

It can be divided in two parts, 409 and 452, that added together give a triangular number (861 = T₄₁).

The spelling of 409452 in words is "four hundred nine thousand, four hundred fifty-two".