290475000 has 144 divisors (see below), whose sum is σ = 984077640. Its totient is φ = 77400000.

The previous prime is 290474999. The next prime is 290475001. The reversal of 290475000 is 574092.

It is an interprime number because it is at equal distance from previous prime (290474999) and next prime (290475001).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290475001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 224355 + ... + 225645.

Almost surely, 2^290475000 is an apocalyptic number.

290475000 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 290475000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492038820).

290475000 is an abundant number, since it is smaller than the sum of its proper divisors (693602640).

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

290475000 is a wasteful number, since it uses less digits than its factorization.

290475000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 290475000 is about 17043.3271399689. The cubic root of 290475000 is about 662.2717856409.

The spelling of 290475000 in words is "two hundred ninety million, four hundred seventy-five thousand".