621364614 has 32 divisors (see below), whose sum is σ = 1384477920. Its totient is φ = 184595712.

The previous prime is 621364613. The next prime is 621364621. The reversal of 621364614 is 416463126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621364613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135087 + ... + 139610.

It is an arithmetic number, because the mean of its divisors is an integer number (43264935).

Almost surely, 2^621364614 is an apocalyptic number.

621364614 is an abundant number, since it is smaller than the sum of its proper divisors (763113306).

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

621364614 is a wasteful number, since it uses less digits than its factorization.

621364614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274744.

The product of its digits is 20736, while the sum is 33.

The square root of 621364614 is about 24927.1862431362. The cubic root of 621364614 is about 853.3270361203.

It can be divided in two parts, 6 and 21364614, that multiplied together give a square (128187684 = 11322²).

The spelling of 621364614 in words is "six hundred twenty-one million, three hundred sixty-four thousand, six hundred fourteen".