432990 has 48 divisors (see below), whose sum is σ = 1196208. Its totient is φ = 108288.

The previous prime is 432989. The next prime is 433003. The reversal of 432990 is 99234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1389 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (24921).

2⁴³²⁹⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 432990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598104).

432990 is an abundant number, since it is smaller than the sum of its proper divisors (763218).

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

432990 is a wasteful number, since it uses less digits than its factorization.

432990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 310 counting only the distinct ones).

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

The square root of 432990 is about 658.0197565423. The cubic root of 432990 is about 75.6529653194.

The spelling of 432990 in words is "four hundred thirty-two thousand, nine hundred ninety".