290034864 has 80 divisors (see below), whose sum is σ = 951447040. Its totient is φ = 82866240.

The previous prime is 290034859. The next prime is 290034869. The reversal of 290034864 is 468430092.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (290034859) and next prime (290034869).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (290034869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44932 + ... + 50979.

It is an arithmetic number, because the mean of its divisors is an integer number (11893088).

Almost surely, 2^290034864 is an apocalyptic number.

290034864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

290034864 is an abundant number, since it is smaller than the sum of its proper divisors (661412176).

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

290034864 is a wasteful number, since it uses less digits than its factorization.

290034864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95935 (or 95923 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 290034864 is about 17030.4099774492. The cubic root of 290034864 is about 661.9371188558.

The spelling of 290034864 in words is "two hundred ninety million, thirty-four thousand, eight hundred sixty-four".