203456034 has 48 divisors (see below), whose sum is σ = 467995320. Its totient is φ = 63659520.

The previous prime is 203456023. The next prime is 203456053. The reversal of 203456034 is 430654302.

203456034 is a `hidden beast` number, since 20 + 34 + 5 + 603 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 203148009 + 308025 = 14253^2 + 555^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203455989 and 203456007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164932 + ... + 166160.

Almost surely, 2^203456034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203456034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233997660).

203456034 is an abundant number, since it is smaller than the sum of its proper divisors (264539286).

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

203456034 is a wasteful number, since it uses less digits than its factorization.

203456034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 203456034 is about 14263.8015269422. The cubic root of 203456034 is about 588.1528306052.

The spelling of 203456034 in words is "two hundred three million, four hundred fifty-six thousand, thirty-four".