429390 has 48 divisors (see below), whose sum is σ = 1205568. Its totient is φ = 105408.

The previous prime is 429389. The next prime is 429397. The reversal of 429390 is 93924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 987 + ... + 1353.

It is an arithmetic number, because the mean of its divisors is an integer number (25116).

2⁴²⁹³⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 429390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602784).

429390 is an abundant number, since it is smaller than the sum of its proper divisors (776178).

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

429390 is a wasteful number, since it uses less digits than its factorization.

429390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 429390 is about 655.2785667180. The cubic root of 429390 is about 75.4427149049.

The spelling of 429390 in words is "four hundred twenty-nine thousand, three hundred ninety".