641000354 has 8 divisors (see below), whose sum is σ = 975043008. Its totient is φ = 315986020.

The previous prime is 641000329. The next prime is 641000387. The reversal of 641000354 is 453000146.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2256902 + ... + 2257185.

It is an arithmetic number, because the mean of its divisors is an integer number (121880376).

Almost surely, 2^641000354 is an apocalyptic number.

641000354 is a deficient number, since it is larger than the sum of its proper divisors (334042654).

641000354 is a wasteful number, since it uses less digits than its factorization.

641000354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514160.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 641000354 is about 25317.9847934230. The cubic root of 641000354 is about 862.2226417290. Note that the first 3 decimals are identical.

The spelling of 641000354 in words is "six hundred forty-one million, three hundred fifty-four", and thus it is an aban number.