621280467 has 12 divisors (see below), whose sum is σ = 899239224. Its totient is φ = 413340480.

The previous prime is 621280433. The next prime is 621280493. The reversal of 621280467 is 764082126.

621280467 is a `hidden beast` number, since 621 + 28 + 0 + 4 + 6 + 7 = 666.

It is not a de Polignac number, because 621280467 - 2¹¹ = 621278419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (621280417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65878 + ... + 74715.

It is an arithmetic number, because the mean of its divisors is an integer number (74936602).

Almost surely, 2^621280467 is an apocalyptic number.

621280467 is a deficient number, since it is larger than the sum of its proper divisors (277958757).

621280467 is a wasteful number, since it uses less digits than its factorization.

621280467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141090 (or 141087 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 621280467 is about 24925.4983300234. The cubic root of 621280467 is about 853.2885143731.

The spelling of 621280467 in words is "six hundred twenty-one million, two hundred eighty thousand, four hundred sixty-seven".