316262421 has 32 divisors (see below), whose sum is σ = 483943680. Its totient is φ = 203974848.

The previous prime is 316262417. The next prime is 316262423. The reversal of 316262421 is 124262613.

316262421 is a `hidden beast` number, since 3 + 16 + 2 + 624 + 21 = 666.

It is not a de Polignac number, because 316262421 - 2² = 316262417 is a prime.

It is a super-3 number, since 3×316262421³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316262423) 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 31 ways as a sum of consecutive naturals, for example, 196000 + ... + 197606.

It is an arithmetic number, because the mean of its divisors is an integer number (15123240).

Almost surely, 2^316262421 is an apocalyptic number.

It is an amenable number.

316262421 is a deficient number, since it is larger than the sum of its proper divisors (167681259).

316262421 is a wasteful number, since it uses less digits than its factorization.

316262421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 1844 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 316262421 is about 17783.7684701528. The cubic root of 316262421 is about 681.3169554482.

The spelling of 316262421 in words is "three hundred sixteen million, two hundred sixty-two thousand, four hundred twenty-one".