290134380 has 24 divisors (see below), whose sum is σ = 812376432. Its totient is φ = 77369152.

The previous prime is 290134379. The next prime is 290134381. The reversal of 290134380 is 83431092.

It is an interprime number because it is at equal distance from previous prime (290134379) and next prime (290134381).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (290134381) 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 7 ways as a sum of consecutive naturals, for example, 2417727 + ... + 2417846.

It is an arithmetic number, because the mean of its divisors is an integer number (33849018).

Almost surely, 2^290134380 is an apocalyptic number.

290134380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290134380 is an abundant number, since it is smaller than the sum of its proper divisors (522242052).

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

290134380 is a wasteful number, since it uses less digits than its factorization.

290134380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835585 (or 4835583 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 290134380 is about 17033.3314416176. The cubic root of 290134380 is about 662.0128175733.

The spelling of 290134380 in words is "two hundred ninety million, one hundred thirty-four thousand, three hundred eighty".