203996742 has 16 divisors (see below), whose sum is σ = 408717360. Its totient is φ = 67878272.

The previous prime is 203996731. The next prime is 203996743. The reversal of 203996742 is 247699302.

It is a happy number.

It is a super-2 number, since 2×203996742² = 83229341493229128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203996694 and 203996703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203996743) 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, 26463 + ... + 33290.

It is an arithmetic number, because the mean of its divisors is an integer number (25544835).

Almost surely, 2^203996742 is an apocalyptic number.

203996742 is an abundant number, since it is smaller than the sum of its proper divisors (204720618).

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

203996742 is a wasteful number, since it uses less digits than its factorization.

203996742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60327.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 203996742 is about 14282.7428038175. The cubic root of 203996742 is about 588.6733978348.

The spelling of 203996742 in words is "two hundred three million, nine hundred ninety-six thousand, seven hundred forty-two".