998962405 has 8 divisors (see below), whose sum is σ = 1370005632. Its totient is φ = 685002768.

The previous prime is 998962397. The next prime is 998962421. The reversal of 998962405 is 504269899.

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

It is a cyclic number.

It is not a de Polignac number, because 998962405 - 2³ = 998962397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14270857 + ... + 14270926.

It is an arithmetic number, because the mean of its divisors is an integer number (171250704).

Almost surely, 2^998962405 is an apocalyptic number.

It is an amenable number.

998962405 is a deficient number, since it is larger than the sum of its proper divisors (371043227).

998962405 is a wasteful number, since it uses less digits than its factorization.

998962405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28541795.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 998962405 is about 31606.3665263820. The cubic root of 998962405 is about 999.6540153084.

The spelling of 998962405 in words is "nine hundred ninety-eight million, nine hundred sixty-two thousand, four hundred five".