30679428 has 24 divisors (see below), whose sum is σ = 77092288. Its totient is φ = 9439776.

The previous prime is 30679427. The next prime is 30679463. The reversal of 30679428 is 82497603.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (30679427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98176 + ... + 98487.

Almost surely, 2^30679428 is an apocalyptic number.

It is an amenable number.

30679428 is an abundant number, since it is smaller than the sum of its proper divisors (46412860).

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

30679428 is a wasteful number, since it uses less digits than its factorization.

30679428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196683 (or 196681 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 30679428 is about 5538.9013351025. The cubic root of 30679428 is about 313.0514738061.

The spelling of 30679428 in words is "thirty million, six hundred seventy-nine thousand, four hundred twenty-eight".