30248946 has 96 divisors (see below), whose sum is σ = 82293120. Its totient is φ = 7817472.

The previous prime is 30248941. The next prime is 30248951. The reversal of 30248946 is 64984203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30248941) and next prime (30248951).

It is a super-2 number, since 2×30248946² = 1829997468221832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30248946.

It is not an unprimeable number, because it can be changed into a prime (30248941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96486 + ... + 96798.

It is an arithmetic number, because the mean of its divisors is an integer number (857220).

Almost surely, 2^30248946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30248946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41146560).

30248946 is an abundant number, since it is smaller than the sum of its proper divisors (52044174).

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

30248946 is a wasteful number, since it uses less digits than its factorization.

30248946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 30248946 is about 5499.9041809835. The cubic root of 30248946 is about 311.5803653388.

The spelling of 30248946 in words is "thirty million, two hundred forty-eight thousand, nine hundred forty-six".