290254420 has 12 divisors (see below), whose sum is σ = 609534324. Its totient is φ = 116101760.

The previous prime is 290254397. The next prime is 290254421. The reversal of 290254420 is 24452092.

It can be written as a sum of positive squares in 2 ways, for example, as 181010116 + 109244304 = 13454^2 + 10452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290254421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7256341 + ... + 7256380.

It is an arithmetic number, because the mean of its divisors is an integer number (50794527).

Almost surely, 2^290254420 is an apocalyptic number.

290254420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

290254420 is an abundant number, since it is smaller than the sum of its proper divisors (319279904).

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

290254420 is a wasteful number, since it uses less digits than its factorization.

290254420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14512730 (or 14512728 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 290254420 is about 17036.8547566738. The cubic root of 290254420 is about 662.1041052281.

The spelling of 290254420 in words is "two hundred ninety million, two hundred fifty-four thousand, four hundred twenty".