398877466 has 8 divisors (see below), whose sum is σ = 644340564. Its totient is φ = 184097280.

The previous prime is 398877449. The next prime is 398877481. The reversal of 398877466 is 664778893.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 393189241 + 5688225 = 19829^2 + 2385^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 398877466.

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, 7670695 + ... + 7670746.

Almost surely, 2^398877466 is an apocalyptic number.

398877466 is a deficient number, since it is larger than the sum of its proper divisors (245463098).

398877466 is a wasteful number, since it uses less digits than its factorization.

398877466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15341456.

The product of its digits is 12192768, while the sum is 58.

The square root of 398877466 is about 19971.9169335344. The cubic root of 398877466 is about 736.1164122042.

The spelling of 398877466 in words is "three hundred ninety-eight million, eight hundred seventy-seven thousand, four hundred sixty-six".