201804334 has 4 divisors (see below), whose sum is σ = 302706504. Its totient is φ = 100902166.

The previous prime is 201804319. The next prime is 201804347. The reversal of 201804334 is 433408102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433408102 = 2 ⋅216704051.

It is a junction number, because it is equal to n+sod(n) for n = 201804299 and 201804308.

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, 50451082 + ... + 50451085.

It is an arithmetic number, because the mean of its divisors is an integer number (75676626).

Almost surely, 2^201804334 is an apocalyptic number.

201804334 is a deficient number, since it is larger than the sum of its proper divisors (100902170).

201804334 is a wasteful number, since it uses less digits than its factorization.

201804334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100902169.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 201804334 is about 14205.7852299688. The cubic root of 201804334 is about 586.5569202570.

The spelling of 201804334 in words is "two hundred one million, eight hundred four thousand, three hundred thirty-four".