201434004 has 18 divisors (see below), whose sum is σ = 509180490. Its totient is φ = 67144656.

The previous prime is 201433997. The next prime is 201434039. The reversal of 201434004 is 400434102.

It can be written as a sum of positive squares in only one way, i.e., 108118404 + 93315600 = 10398^2 + 9660^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 2797659 + ... + 2797730.

It is an arithmetic number, because the mean of its divisors is an integer number (28287805).

Almost surely, 2^201434004 is an apocalyptic number.

It is an amenable number.

201434004 is an abundant number, since it is smaller than the sum of its proper divisors (307746486).

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

201434004 is a wasteful number, since it uses less digits than its factorization.

201434004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595399 (or 5595394 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 201434004 is about 14192.7447662529. The cubic root of 201434004 is about 586.1979047881.

Adding to 201434004 its reverse (400434102), we get a palindrome (601868106).

The spelling of 201434004 in words is "two hundred one million, four hundred thirty-four thousand, four".