890801378 has 8 divisors (see below), whose sum is σ = 1337643180. Its totient is φ = 444920320.

The previous prime is 890801363. The next prime is 890801389. The reversal of 890801378 is 873108098.

It can be written as a sum of positive squares in 2 ways, for example, as 526105969 + 364695409 = 22937^2 + 19097^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 237863 + ... + 241578.

Almost surely, 2^890801378 is an apocalyptic number.

890801378 is a deficient number, since it is larger than the sum of its proper divisors (446841802).

890801378 is a wasteful number, since it uses less digits than its factorization.

890801378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480372.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 890801378 is about 29846.2958840791. The cubic root of 890801378 is about 962.1887912289.

The spelling of 890801378 in words is "eight hundred ninety million, eight hundred one thousand, three hundred seventy-eight".