30648446 has 4 divisors (see below), whose sum is σ = 45972672. Its totient is φ = 15324222.

The previous prime is 30648439. The next prime is 30648461. The reversal of 30648446 is 64484603.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64484603 = 29 ⋅2223607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7662110 + ... + 7662113.

It is an arithmetic number, because the mean of its divisors is an integer number (11493168).

Almost surely, 2^30648446 is an apocalyptic number.

30648446 is a deficient number, since it is larger than the sum of its proper divisors (15324226).

30648446 is a wasteful number, since it uses less digits than its factorization.

30648446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324225.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 30648446 is about 5536.1038646326. The cubic root of 30648446 is about 312.9460586784.

The spelling of 30648446 in words is "thirty million, six hundred forty-eight thousand, four hundred forty-six".