204153406 has 16 divisors (see below), whose sum is σ = 312092928. Its totient is φ = 100137600.

The previous prime is 204153401. The next prime is 204153409. The reversal of 204153406 is 604351402.

It is a super-2 number, since 2×204153406² = 83357226362801672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204153401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24226 + ... + 31546.

It is an arithmetic number, because the mean of its divisors is an integer number (19505808).

Almost surely, 2^204153406 is an apocalyptic number.

204153406 is a deficient number, since it is larger than the sum of its proper divisors (107939522).

204153406 is a wasteful number, since it uses less digits than its factorization.

204153406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 204153406 is about 14288.2261320291. The cubic root of 204153406 is about 588.8240543761.

The spelling of 204153406 in words is "two hundred four million, one hundred fifty-three thousand, four hundred six".