213474004 has 12 divisors (see below), whose sum is σ = 377279028. Its totient is φ = 105680000.

The previous prime is 213473969. The next prime is 213474007. The reversal of 213474004 is 400474312.

It can be written as a sum of positive squares in 2 ways, for example, as 205922500 + 7551504 = 14350^2 + 2748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213474004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213474007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263797 + ... + 264604.

It is an arithmetic number, because the mean of its divisors is an integer number (31439919).

Almost surely, 2^213474004 is an apocalyptic number.

It is an amenable number.

213474004 is a deficient number, since it is larger than the sum of its proper divisors (163805024).

213474004 is a wasteful number, since it uses less digits than its factorization.

213474004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528506 (or 528504 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 213474004 is about 14610.7496043153. The cubic root of 213474004 is about 597.6519378082.

The spelling of 213474004 in words is "two hundred thirteen million, four hundred seventy-four thousand, four".