30250836 has 108 divisors (see below), whose sum is σ = 97100640. Its totient is φ = 7852320.

The previous prime is 30250789. The next prime is 30250841. The reversal of 30250836 is 63805203.

It is a super-2 number, since 2×30250836² = 1830226157397792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18625 + ... + 20183.

It is an arithmetic number, because the mean of its divisors is an integer number (899080).

Almost surely, 2^30250836 is an apocalyptic number.

30250836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30250836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48550320).

30250836 is an abundant number, since it is smaller than the sum of its proper divisors (66849804).

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

30250836 is a wasteful number, since it uses less digits than its factorization.

30250836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30250836 is about 5500.0759994749. The cubic root of 30250836 is about 311.5868545415.

The spelling of 30250836 in words is "thirty million, two hundred fifty thousand, eight hundred thirty-six".