608621378 has 8 divisors (see below), whose sum is σ = 913447740. Its totient is φ = 304138800.

The previous prime is 608621327. The next prime is 608621381. The reversal of 608621378 is 873126806.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 604028929 + 4592449 = 24577^2 + 2143^2 .

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

It is a Curzon 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, 81473 + ... + 88628.

Almost surely, 2^608621378 is an apocalyptic number.

608621378 is a deficient number, since it is larger than the sum of its proper divisors (304826362).

608621378 is a wasteful number, since it uses less digits than its factorization.

608621378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171892.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 608621378 is about 24670.2528969607. The cubic root of 608621378 is about 847.4532202986.

The spelling of 608621378 in words is "six hundred eight million, six hundred twenty-one thousand, three hundred seventy-eight".