290234000 has 80 divisors (see below), whose sum is σ = 802079616. Its totient is φ = 99504000.

The previous prime is 290233967. The next prime is 290234003. The reversal of 290234000 is 432092.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (290234003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3635 + ... + 24365.

Almost surely, 2^290234000 is an apocalyptic number.

290234000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290234000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401039808).

290234000 is an abundant number, since it is smaller than the sum of its proper divisors (511845616).

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

290234000 is a wasteful number, since it uses less digits than its factorization.

290234000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20761 (or 20745 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 290234000 is about 17036.2554571126. The cubic root of 290234000 is about 662.0885780653.

Adding to 290234000 its reverse (432092), we get a palindrome (290666092).

The spelling of 290234000 in words is "two hundred ninety million, two hundred thirty-four thousand".