208461742 has 8 divisors (see below), whose sum is σ = 326288016. Its totient is φ = 99699072.

The previous prime is 208461739. The next prime is 208461767. The reversal of 208461742 is 247164802.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 208461698 and 208461707.

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, 2265843 + ... + 2265934.

It is an arithmetic number, because the mean of its divisors is an integer number (40786002).

Almost surely, 2^208461742 is an apocalyptic number.

208461742 is a deficient number, since it is larger than the sum of its proper divisors (117826274).

208461742 is a wasteful number, since it uses less digits than its factorization.

208461742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531802.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 208461742 is about 14438.2042512218. The cubic root of 208461742 is about 592.9373219805.

The spelling of 208461742 in words is "two hundred eight million, four hundred sixty-one thousand, seven hundred forty-two".