200400974 has 4 divisors (see below), whose sum is σ = 300601464. Its totient is φ = 100200486.

The previous prime is 200400973. The next prime is 200401013. The reversal of 200400974 is 479004002.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200400973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100242 + ... + 50100245.

It is an arithmetic number, because the mean of its divisors is an integer number (75150366).

Almost surely, 2^200400974 is an apocalyptic number.

200400974 is a deficient number, since it is larger than the sum of its proper divisors (100200490).

200400974 is a wasteful number, since it uses less digits than its factorization.

200400974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100200489.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 200400974 is about 14156.3050970230. The cubic root of 200400974 is about 585.1941051159.

Adding to 200400974 its reverse (479004002), we get a palindrome (679404976).

The spelling of 200400974 in words is "two hundred million, four hundred thousand, nine hundred seventy-four".