30249996 has 48 divisors (see below), whose sum is σ = 81312000. Its totient is φ = 8573760.

The previous prime is 30249971. The next prime is 30250001. The reversal of 30249996 is 69994203.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9630 + ... + 12378.

It is an arithmetic number, because the mean of its divisors is an integer number (1694000).

Almost surely, 2^30249996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30249996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40656000).

30249996 is an abundant number, since it is smaller than the sum of its proper divisors (51062004).

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

30249996 is a wasteful number, since it uses less digits than its factorization.

30249996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 30249996 is about 5499.9996363636. Note that the first 3 decimals coincide. The cubic root of 30249996 is about 311.5839704848.

The spelling of 30249996 in words is "thirty million, two hundred forty-nine thousand, nine hundred ninety-six".