314420421 has 16 divisors (see below), whose sum is σ = 481033728. Its totient is φ = 178950000.

The previous prime is 314420401. The next prime is 314420443. The reversal of 314420421 is 124024413.

It is not a de Polignac number, because 314420421 - 2¹⁹ = 313896133 is a prime.

It is a super-2 number, since 2×314420421² = 197720402283634482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314420401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24555 + ... + 35096.

It is an arithmetic number, because the mean of its divisors is an integer number (30064608).

Almost surely, 2^314420421 is an apocalyptic number.

It is an amenable number.

314420421 is a deficient number, since it is larger than the sum of its proper divisors (166613307).

314420421 is a wasteful number, since it uses less digits than its factorization.

314420421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59912.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 314420421 is about 17731.9040432775. The cubic root of 314420421 is about 679.9916528675.

Adding to 314420421 its reverse (124024413), we get a palindrome (438444834).

The spelling of 314420421 in words is "three hundred fourteen million, four hundred twenty thousand, four hundred twenty-one".