420313346 has 4 divisors (see below), whose sum is σ = 630470022. Its totient is φ = 210156672.

The previous prime is 420313297. The next prime is 420313379. The reversal of 420313346 is 643313024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 321807721 + 98505625 = 17939^2 + 9925^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105078335 + ... + 105078338.

Almost surely, 2^420313346 is an apocalyptic number.

420313346 is a deficient number, since it is larger than the sum of its proper divisors (210156676).

420313346 is a wasteful number, since it uses less digits than its factorization.

420313346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210156675.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 420313346 is about 20501.5449661727. The cubic root of 420313346 is about 749.0734311724.

The spelling of 420313346 in words is "four hundred twenty million, three hundred thirteen thousand, three hundred forty-six".