30486946 has 32 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 12398400.

The previous prime is 30486941. The next prime is 30486959. The reversal of 30486946 is 64968403.

It is a junction number, because it is equal to n+sod(n) for n = 30486899 and 30486908.

It is not an unprimeable number, because it can be changed into a prime (30486941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24151 + ... + 25381.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^30486946 is an apocalyptic number.

30486946 is a deficient number, since it is larger than the sum of its proper divisors (24509534).

30486946 is a wasteful number, since it uses less digits than its factorization.

30486946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 30486946 is about 5521.4985284794. The cubic root of 30486946 is about 312.3954073438.

The spelling of 30486946 in words is "thirty million, four hundred eighty-six thousand, nine hundred forty-six".