30294438 has 16 divisors (see below), whose sum is σ = 60905136. Its totient is φ = 10045440.

The previous prime is 30294431. The next prime is 30294469. The reversal of 30294438 is 83449203.

It is a junction number, because it is equal to n+sod(n) for n = 30294399 and 30294408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30294431) 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, 11923 + ... + 14238.

It is an arithmetic number, because the mean of its divisors is an integer number (3806571).

Almost surely, 2^30294438 is an apocalyptic number.

30294438 is an abundant number, since it is smaller than the sum of its proper divisors (30610698).

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

30294438 is a wasteful number, since it uses less digits than its factorization.

30294438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26359.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 30294438 is about 5504.0383356223. The cubic root of 30294438 is about 311.7364844333.

The spelling of 30294438 in words is "thirty million, two hundred ninety-four thousand, four hundred thirty-eight".