30126834 has 12 divisors (see below), whose sum is σ = 65274846. Its totient is φ = 10042272.

The previous prime is 30126827. The next prime is 30126847. The reversal of 30126834 is 43862103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29322225 + 804609 = 5415^2 + 897^2 .

It is a super-2 number, since 2×30126834² = 1815252253727112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30126798 and 30126807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 836839 + ... + 836874.

Almost surely, 2^30126834 is an apocalyptic number.

30126834 is an abundant number, since it is smaller than the sum of its proper divisors (35148012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30126834 is a wasteful number, since it uses less digits than its factorization.

30126834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673721 (or 1673718 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 30126834 is about 5488.7916703041. The cubic root of 30126834 is about 311.1605268539.

Adding to 30126834 its reverse (43862103), we get a palindrome (73988937).

The spelling of 30126834 in words is "thirty million, one hundred twenty-six thousand, eight hundred thirty-four".