30989426 has 16 divisors (see below), whose sum is σ = 50559768. Its totient is φ = 14160000.

The previous prime is 30989407. The next prime is 30989473. The reversal of 30989426 is 62498903.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28633201 + 2356225 = 5351^2 + 1535^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3275 + ... + 8526.

Almost surely, 2^30989426 is an apocalyptic number.

30989426 is a deficient number, since it is larger than the sum of its proper divisors (19570342).

30989426 is a wasteful number, since it uses less digits than its factorization.

30989426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11917.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 30989426 is about 5566.8147086103. The cubic root of 30989426 is about 314.1023440171.

The spelling of 30989426 in words is "thirty million, nine hundred eighty-nine thousand, four hundred twenty-six".