408675242 has 4 divisors (see below), whose sum is σ = 613012866. Its totient is φ = 204337620.

The previous prime is 408675217. The next prime is 408675271. The reversal of 408675242 is 242576804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 407595721 + 1079521 = 20189^2 + 1039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 408675196 and 408675205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102168809 + ... + 102168812.

Almost surely, 2^408675242 is an apocalyptic number.

408675242 is a deficient number, since it is larger than the sum of its proper divisors (204337624).

408675242 is a wasteful number, since it uses less digits than its factorization.

408675242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204337623.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 408675242 is about 20215.7176968813. The cubic root of 408675242 is about 742.0948929672.

The spelling of 408675242 in words is "four hundred eight million, six hundred seventy-five thousand, two hundred forty-two".