262490 has 8 divisors (see below), whose sum is σ = 472500. Its totient is φ = 104992.

The previous prime is 262489. The next prime is 262501. The reversal of 262490 is 94262.

It can be written as a sum of positive squares in 2 ways, for example, as 261121 + 1369 = 511^2 + 37^2 .

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

It is a Curzon number.

It is a zygodrome in base 9.

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, 13115 + ... + 13134.

2²⁶²⁴⁹⁰ is an apocalyptic number.

262490 is a deficient number, since it is larger than the sum of its proper divisors (210010).

262490 is a wasteful number, since it uses less digits than its factorization.

262490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26256.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 262490 is about 512.3377792043. The cubic root of 262490 is about 64.0281451729.

The spelling of 262490 in words is "two hundred sixty-two thousand, four hundred ninety".