30461806 has 4 divisors (see below), whose sum is σ = 45692712. Its totient is φ = 15230902.

The previous prime is 30461801. The next prime is 30461819. The reversal of 30461806 is 60816403.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30461801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7615450 + ... + 7615453.

It is an arithmetic number, because the mean of its divisors is an integer number (11423178).

Almost surely, 2^30461806 is an apocalyptic number.

30461806 is a deficient number, since it is larger than the sum of its proper divisors (15230906).

30461806 is a wasteful number, since it uses less digits than its factorization.

30461806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15230905.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 30461806 is about 5519.2215030745. The cubic root of 30461806 is about 312.3095150598.

The spelling of 30461806 in words is "thirty million, four hundred sixty-one thousand, eight hundred six".