203449652 has 48 divisors (see below), whose sum is σ = 429047808. Its totient is φ = 82568160.

The previous prime is 203449637. The next prime is 203449657. The reversal of 203449652 is 256944302.

It is a super-2 number, since 2×203449652² = 82783521797842208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203449657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38303 + ... + 43289.

It is an arithmetic number, because the mean of its divisors is an integer number (8938496).

Almost surely, 2^203449652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203449652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214523904).

203449652 is an abundant number, since it is smaller than the sum of its proper divisors (225598156).

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

203449652 is a wasteful number, since it uses less digits than its factorization.

203449652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076 (or 5074 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 203449652 is about 14263.5778120358. The cubic root of 203449652 is about 588.1466808235.

The spelling of 203449652 in words is "two hundred three million, four hundred forty-nine thousand, six hundred fifty-two".