634000030 has 32 divisors (see below), whose sum is σ = 1182392640. Its totient is φ = 244473600.

The previous prime is 634000027. The next prime is 634000033. The reversal of 634000030 is 30000436.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (634000027) and next prime (634000033).

It is a junction number, because it is equal to n+sod(n) for n = 633999968 and 634000013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634000033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247255 + ... + 249805.

It is an arithmetic number, because the mean of its divisors is an integer number (36949770).

Almost surely, 2^634000030 is an apocalyptic number.

634000030 is a deficient number, since it is larger than the sum of its proper divisors (548392610).

634000030 is a wasteful number, since it uses less digits than its factorization.

634000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 634000030 is about 25179.3572197544. The cubic root of 634000030 is about 859.0723863318.

Adding to 634000030 its reverse (30000436), we get a palindrome (664000466).

The spelling of 634000030 in words is "six hundred thirty-four million, thirty", and thus it is an aban number.