420343412 has 24 divisors (see below), whose sum is σ = 744307200. Its totient is φ = 207693216.

The previous prime is 420343409. The next prime is 420343459. The reversal of 420343412 is 214343024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291389 + ... + 292827.

It is an arithmetic number, because the mean of its divisors is an integer number (31012800).

Almost surely, 2^420343412 is an apocalyptic number.

It is an amenable number.

420343412 is a deficient number, since it is larger than the sum of its proper divisors (323963788).

420343412 is a wasteful number, since it uses less digits than its factorization.

420343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 420343412 is about 20502.2782148716. The cubic root of 420343412 is about 749.0912917400.

Adding to 420343412 its reverse (214343024), we get a palindrome (634686436).

The spelling of 420343412 in words is "four hundred twenty million, three hundred forty-three thousand, four hundred twelve".