420435364 has 12 divisors (see below), whose sum is σ = 779042124. Its totient is φ = 197851904.

The previous prime is 420435349. The next prime is 420435373. The reversal of 420435364 is 463534024.

It can be written as a sum of positive squares in 2 ways, for example, as 353064100 + 67371264 = 18790^2 + 8208^2 .

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, 3091369 + ... + 3091504.

It is an arithmetic number, because the mean of its divisors is an integer number (64920177).

Almost surely, 2^420435364 is an apocalyptic number.

It is an amenable number.

420435364 is a deficient number, since it is larger than the sum of its proper divisors (358606760).

420435364 is a wasteful number, since it uses less digits than its factorization.

420435364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182894 (or 6182892 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 420435364 is about 20504.5205747416. The cubic root of 420435364 is about 749.1459101135.

Adding to 420435364 its reverse (463534024), we get a palindrome (883969388).

The spelling of 420435364 in words is "four hundred twenty million, four hundred thirty-five thousand, three hundred sixty-four".