641342246 has 4 divisors (see below), whose sum is σ = 962013372. Its totient is φ = 320671122.

The previous prime is 641342243. The next prime is 641342263. The reversal of 641342246 is 642243146.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×641342246² = 822639753008649032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641342243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160335560 + ... + 160335563.

It is an arithmetic number, because the mean of its divisors is an integer number (240503343).

Almost surely, 2^641342246 is an apocalyptic number.

641342246 is a deficient number, since it is larger than the sum of its proper divisors (320671126).

641342246 is a wasteful number, since it uses less digits than its factorization.

641342246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320671125.

The product of its digits is 27648, while the sum is 32.

The square root of 641342246 is about 25324.7358525217. The cubic root of 641342246 is about 862.3759097819.

The spelling of 641342246 in words is "six hundred forty-one million, three hundred forty-two thousand, two hundred forty-six".