203639342 has 8 divisors (see below), whose sum is σ = 313714776. Its totient is φ = 99067752.

The previous prime is 203639329. The next prime is 203639351. The reversal of 203639342 is 243936302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×203639342² = 82937963220385928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203639299 and 203639308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375868 + ... + 1376015.

It is an arithmetic number, because the mean of its divisors is an integer number (39214347).

Almost surely, 2^203639342 is an apocalyptic number.

203639342 is a deficient number, since it is larger than the sum of its proper divisors (110075434).

203639342 is a wasteful number, since it uses less digits than its factorization.

203639342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751922.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 203639342 is about 14270.2257165050. The cubic root of 203639342 is about 588.3294138115.

The spelling of 203639342 in words is "two hundred three million, six hundred thirty-nine thousand, three hundred forty-two".