290630 has 8 divisors (see below), whose sum is σ = 523152. Its totient is φ = 116248.

The previous prime is 290627. The next prime is 290657. The reversal of 290630 is 36092.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14522 + ... + 14541.

It is an arithmetic number, because the mean of its divisors is an integer number (65394).

2²⁹⁰⁶³⁰ is an apocalyptic number.

290630 is a deficient number, since it is larger than the sum of its proper divisors (232522).

290630 is a wasteful number, since it uses less digits than its factorization.

290630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29070.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 290630 is about 539.1011036902. The cubic root of 290630 is about 66.2389562700.

The spelling of 290630 in words is "two hundred ninety thousand, six hundred thirty".