621441614 has 8 divisors (see below), whose sum is σ = 951995808. Its totient is φ = 304109680.

The previous prime is 621441581. The next prime is 621441619. The reversal of 621441614 is 416144126.

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

It is a super-2 number, since 2×621441614² = 772379359221849992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621441619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3305447 + ... + 3305634.

It is an arithmetic number, because the mean of its divisors is an integer number (118999476).

Almost surely, 2^621441614 is an apocalyptic number.

621441614 is a deficient number, since it is larger than the sum of its proper divisors (330554194).

621441614 is a wasteful number, since it uses less digits than its factorization.

621441614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611130.

The product of its digits is 4608, while the sum is 29.

The square root of 621441614 is about 24928.7306937196. The cubic root of 621441614 is about 853.3622829873.

The spelling of 621441614 in words is "six hundred twenty-one million, four hundred forty-one thousand, six hundred fourteen".