402723201 has 8 divisors (see below), whose sum is σ = 554285824. Its totient is φ = 259821360.

The previous prime is 402723193. The next prime is 402723229. The reversal of 402723201 is 102327204.

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

It is not a de Polignac number, because 402723201 - 2³ = 402723193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402723241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165086 + ... + 2165271.

It is an arithmetic number, because the mean of its divisors is an integer number (69285728).

Almost surely, 2^402723201 is an apocalyptic number.

It is an amenable number.

402723201 is a deficient number, since it is larger than the sum of its proper divisors (151562623).

402723201 is a wasteful number, since it uses less digits than its factorization.

402723201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330391.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 402723201 is about 20067.9645455138. The cubic root of 402723201 is about 738.4745792627.

The spelling of 402723201 in words is "four hundred two million, seven hundred twenty-three thousand, two hundred one".