402394206 has 8 divisors (see below), whose sum is σ = 804788424. Its totient is φ = 134131400.

The previous prime is 402394183. The next prime is 402394207. The reversal of 402394206 is 602493204.

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

402394206 is an admirable number.

It is a super-3 number, since 3×402394206³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402394207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33532845 + ... + 33532856.

It is an arithmetic number, because the mean of its divisors is an integer number (100598553).

Almost surely, 2^402394206 is an apocalyptic number.

402394206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402394206 is a wasteful number, since it uses less digits than its factorization.

402394206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67065706.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 402394206 is about 20059.7658510761. The cubic root of 402394206 is about 738.2734314833.

The spelling of 402394206 in words is "four hundred two million, three hundred ninety-four thousand, two hundred six".