30656426 has 4 divisors (see below), whose sum is σ = 45984642. Its totient is φ = 15328212.

The previous prime is 30656413. The next prime is 30656441. The reversal of 30656426 is 62465603.

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

It can be written as a sum of positive squares in only one way, i.e., 29214025 + 1442401 = 5405^2 + 1201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30656392 and 30656401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7664105 + ... + 7664108.

Almost surely, 2^30656426 is an apocalyptic number.

30656426 is a deficient number, since it is larger than the sum of its proper divisors (15328216).

30656426 is a wasteful number, since it uses less digits than its factorization.

30656426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15328215.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 30656426 is about 5536.8245411969. The cubic root of 30656426 is about 312.9732171280.

The spelling of 30656426 in words is "thirty million, six hundred fifty-six thousand, four hundred twenty-six".