279490001 has 8 divisors (see below), whose sum is σ = 321749760. Its totient is φ = 237813408.

The previous prime is 279489949. The next prime is 279490039. The reversal of 279490001 is 100094972.

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

It is not a de Polignac number, because 279490001 - 2¹⁰ = 279488977 is a prime.

It is a super-2 number, since 2×279490001² = 156229321317960002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 279490001.

It is not an unprimeable number, because it can be changed into a prime (279490091) by changing a digit.

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, 144761 + ... + 146678.

It is an arithmetic number, because the mean of its divisors is an integer number (40218720).

Almost surely, 2^279490001 is an apocalyptic number.

It is an amenable number.

279490001 is a deficient number, since it is larger than the sum of its proper divisors (42259759).

279490001 is a wasteful number, since it uses less digits than its factorization.

279490001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291583.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 279490001 is about 16717.9544502310. The cubic root of 279490001 is about 653.8158205064.

The spelling of 279490001 in words is "two hundred seventy-nine million, four hundred ninety thousand, one".