30944402 has 4 divisors (see below), whose sum is σ = 46416606. Its totient is φ = 15472200.

The previous prime is 30944399. The next prime is 30944411. The reversal of 30944402 is 20444903.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20444903 = 31 ⋅659513.

It can be written as a sum of positive squares in only one way, i.e., 28185481 + 2758921 = 5309^2 + 1661^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7736099 + ... + 7736102.

Almost surely, 2^30944402 is an apocalyptic number.

30944402 is a deficient number, since it is larger than the sum of its proper divisors (15472204).

30944402 is a wasteful number, since it uses less digits than its factorization.

30944402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15472203.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30944402 is about 5562.7692743812. The cubic root of 30944402 is about 313.9501523370.

The spelling of 30944402 in words is "thirty million, nine hundred forty-four thousand, four hundred two".