421246546 has 16 divisors (see below), whose sum is σ = 739751040. Its totient is φ = 176130720.

The previous prime is 421246537. The next prime is 421246559. The reversal of 421246546 is 645642124.

It is a super-3 number, since 3×421246546³ (a number of 27 digits) contains 333 as substring.

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, 366366 + ... + 367513.

It is an arithmetic number, because the mean of its divisors is an integer number (46234440).

Almost surely, 2^421246546 is an apocalyptic number.

421246546 is a deficient number, since it is larger than the sum of its proper divisors (318504494).

421246546 is a wasteful number, since it uses less digits than its factorization.

421246546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733929.

The product of its digits is 46080, while the sum is 34.

The square root of 421246546 is about 20524.2916077510. The cubic root of 421246546 is about 749.6273977355.

The spelling of 421246546 in words is "four hundred twenty-one million, two hundred forty-six thousand, five hundred forty-six".