30441402 has 12 divisors (see below), whose sum is σ = 65956410. Its totient is φ = 10147128.

The previous prime is 30441371. The next prime is 30441419. The reversal of 30441402 is 20414403.

It can be written as a sum of positive squares in only one way, i.e., 29909961 + 531441 = 5469^2 + 729^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1691189 = 30441402 / (3 + 0 + 4 + 4 + 1 + 4 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 845577 + ... + 845612.

Almost surely, 2^30441402 is an apocalyptic number.

30441402 is an abundant number, since it is smaller than the sum of its proper divisors (35515008).

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

30441402 is a wasteful number, since it uses less digits than its factorization.

30441402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691197 (or 1691194 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 30441402 is about 5517.3727443413. The cubic root of 30441402 is about 312.2397688487.

Adding to 30441402 its reverse (20414403), we get a palindrome (50855805).

The spelling of 30441402 in words is "thirty million, four hundred forty-one thousand, four hundred two".