203994292 has 12 divisors (see below), whose sum is σ = 357178276. Its totient is φ = 101943360.

The previous prime is 203994257. The next prime is 203994293. The reversal of 203994292 is 292499302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52359696 + 151634596 = 7236^2 + 12314^2 .

It is a super-2 number, since 2×203994292² = 83227342337162528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203994293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4209 + ... + 20632.

Almost surely, 2^203994292 is an apocalyptic number.

It is an amenable number.

203994292 is a deficient number, since it is larger than the sum of its proper divisors (153183984).

203994292 is a wasteful number, since it uses less digits than its factorization.

203994292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26898 (or 26896 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 203994292 is about 14282.6570357199. The cubic root of 203994292 is about 588.6710411704.

The spelling of 203994292 in words is "two hundred three million, nine hundred ninety-four thousand, two hundred ninety-two".