202004397 has 24 divisors (see below), whose sum is σ = 338451776. Its totient is φ = 113705856.

The previous prime is 202004389. The next prime is 202004419. The reversal of 202004397 is 793400202.

202004397 is a `hidden beast` number, since 20 + 200 + 439 + 7 = 666.

202004397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202004397 - 2³ = 202004389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202004397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202004357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19708 + ... + 28149.

Almost surely, 2^202004397 is an apocalyptic number.

It is an amenable number.

202004397 is a deficient number, since it is larger than the sum of its proper divisors (136447379).

202004397 is a wasteful number, since it uses less digits than its factorization.

202004397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47937 (or 47934 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 202004397 is about 14212.8250886303. The cubic root of 202004397 is about 586.7506881138.

Adding to 202004397 its reverse (793400202), we get a palindrome (995404599).

The spelling of 202004397 in words is "two hundred two million, four thousand, three hundred ninety-seven".