30340557 has 12 divisors (see below), whose sum is σ = 47196604. Its totient is φ = 18671040.

The previous prime is 30340553. The next prime is 30340559. The reversal of 30340557 is 75504303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 28419561 = 1386^2 + 5331^2 .

It is not a de Polignac number, because 30340557 - 2² = 30340553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30340557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30340553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129544 + ... + 129777.

Almost surely, 2^30340557 is an apocalyptic number.

It is an amenable number.

30340557 is a deficient number, since it is larger than the sum of its proper divisors (16856047).

30340557 is a wasteful number, since it uses less digits than its factorization.

30340557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259340 (or 259337 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 30340557 is about 5508.2263025406. The cubic root of 30340557 is about 311.8945958052.

The spelling of 30340557 in words is "thirty million, three hundred forty thousand, five hundred fifty-seven".