2198038004 has 6 divisors (see below), whose sum is σ = 3846566514. Its totient is φ = 1099019000.

The previous prime is 2198037953. The next prime is 2198038013. The reversal of 2198038004 is 4008308912.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2080272100 + 117765904 = 45610^2 + 10852^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274754747 + ... + 274754754.

It is an arithmetic number, because the mean of its divisors is an integer number (641094419).

Almost surely, 2^2198038004 is an apocalyptic number.

It is an amenable number.

2198038004 is a deficient number, since it is larger than the sum of its proper divisors (1648528510).

2198038004 is a wasteful number, since it uses less digits than its factorization.

2198038004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549509505 (or 549509503 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2198038004 is about 46883.2379854464. The cubic root of 2198038004 is about 1300.2047022820.

The spelling of 2198038004 in words is "two billion, one hundred ninety-eight million, thirty-eight thousand, four".