213301404 has 48 divisors (see below), whose sum is σ = 553946400. Its totient is φ = 70979328.

The previous prime is 213301381. The next prime is 213301427. The reversal of 213301404 is 404103312.

It is an interprime number because it is at equal distance from previous prime (213301381) and next prime (213301427).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80452 + ... + 83060.

It is an arithmetic number, because the mean of its divisors is an integer number (11540550).

Almost surely, 2^213301404 is an apocalyptic number.

It is an amenable number.

213301404 is an abundant number, since it is smaller than the sum of its proper divisors (340644996).

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

213301404 is a wasteful number, since it uses less digits than its factorization.

213301404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 213301404 is about 14604.8417998964. The cubic root of 213301404 is about 597.4908213315.

Adding to 213301404 its reverse (404103312), we get a palindrome (617404716).

The spelling of 213301404 in words is "two hundred thirteen million, three hundred one thousand, four hundred four".