331400246 has 8 divisors (see below), whose sum is σ = 497207160. Its totient is φ = 165664528.

The previous prime is 331400213. The next prime is 331400249. The reversal of 331400246 is 642004133.

It is a happy number.

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

It is a super-2 number, since 2×331400246² = 219652246097721032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331400249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4031 + ... + 26058.

It is an arithmetic number, because the mean of its divisors is an integer number (62150895).

Almost surely, 2^331400246 is an apocalyptic number.

331400246 is a deficient number, since it is larger than the sum of its proper divisors (165806914).

331400246 is a wasteful number, since it uses less digits than its factorization.

331400246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35598.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 331400246 is about 18204.4018303266. The cubic root of 331400246 is about 692.0183471029.

Adding to 331400246 its reverse (642004133), we get a palindrome (973404379).

The spelling of 331400246 in words is "three hundred thirty-one million, four hundred thousand, two hundred forty-six".