621274 has 8 divisors (see below), whose sum is σ = 940500. Its totient is φ = 307776.

The previous prime is 621259. The next prime is 621289. The reversal of 621274 is 472126.

It is an interprime number because it is at equal distance from previous prime (621259) and next prime (621289).

It can be written as a sum of positive squares in 2 ways, for example, as 455625 + 165649 = 675^2 + 407^2 .

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

It is a plaindrome in base 14.

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, 1149 + ... + 1600.

2⁶²¹²⁷⁴ is an apocalyptic number.

621274 is a deficient number, since it is larger than the sum of its proper divisors (319226).

621274 is a wasteful number, since it uses less digits than its factorization.

621274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864.

The product of its digits is 672, while the sum is 22.

The square root of 621274 is about 788.2093630502. The cubic root of 621274 is about 85.3285553694.

The spelling of 621274 in words is "six hundred twenty-one thousand, two hundred seventy-four".