262990427 has 8 divisors (see below), whose sum is σ = 306955776. Its totient is φ = 220623912.

The previous prime is 262990411. The next prime is 262990433. The reversal of 262990427 is 724099262.

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

It is a cyclic number.

It is not a de Polignac number, because 262990427 - 2⁴ = 262990411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (262990627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399353 + ... + 400010.

It is an arithmetic number, because the mean of its divisors is an integer number (38369472).

Almost surely, 2^262990427 is an apocalyptic number.

262990427 is a deficient number, since it is larger than the sum of its proper divisors (43965349).

262990427 is an equidigital number, since it uses as much as digits as its factorization.

262990427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799417.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 262990427 is about 16216.9795893070. The cubic root of 262990427 is about 640.6880840102.

The spelling of 262990427 in words is "two hundred sixty-two million, nine hundred ninety thousand, four hundred twenty-seven".