210030404 has 24 divisors (see below), whose sum is σ = 384117888. Its totient is φ = 100386720.

The previous prime is 210030367. The next prime is 210030419. The reversal of 210030404 is 404030012.

It is a super-2 number, since 2×210030404² = 88225541208806432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4907 + ... + 21074.

It is an arithmetic number, because the mean of its divisors is an integer number (16004912).

Almost surely, 2^210030404 is an apocalyptic number.

It is an amenable number.

210030404 is a deficient number, since it is larger than the sum of its proper divisors (174087484).

210030404 is a wasteful number, since it uses less digits than its factorization.

210030404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26075 (or 26073 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 210030404 is about 14492.4257458853. The cubic root of 210030404 is about 594.4208794481.

Adding to 210030404 its reverse (404030012), we get a palindrome (614060416).

The spelling of 210030404 in words is "two hundred ten million, thirty thousand, four hundred four".