290266420 has 24 divisors (see below), whose sum is σ = 641642400. Its totient is φ = 109995552.

The previous prime is 290266411. The next prime is 290266433. The reversal of 290266420 is 24662092.

It is a congruent number.

It is an unprimeable number.

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, 381550 + ... + 382309.

It is an arithmetic number, because the mean of its divisors is an integer number (26735100).

Almost surely, 2^290266420 is an apocalyptic number.

290266420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290266420 is an abundant number, since it is smaller than the sum of its proper divisors (351375980).

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

290266420 is a wasteful number, since it uses less digits than its factorization.

290266420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763887 (or 763885 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 290266420 is about 17037.2069307149. The cubic root of 290266420 is about 662.1132295678.

The spelling of 290266420 in words is "two hundred ninety million, two hundred sixty-six thousand, four hundred twenty".