998379401 has 8 divisors (see below), whose sum is σ = 1006750080. Its totient is φ = 990036432.

The previous prime is 998379341. The next prime is 998379409. The reversal of 998379401 is 104973899.

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 998379401 - 2¹⁰ = 998378377 is a prime.

It is a super-3 number, since 3×998379401³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 998379401.

It is not an unprimeable number, because it can be changed into a prime (998379409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68855 + ... + 82083.

It is an arithmetic number, because the mean of its divisors is an integer number (125843760).

Almost surely, 2^998379401 is an apocalyptic number.

It is an amenable number.

998379401 is a deficient number, since it is larger than the sum of its proper divisors (8370679).

998379401 is a wasteful number, since it uses less digits than its factorization.

998379401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13855.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 998379401 is about 31597.1422916694. The cubic root of 998379401 is about 999.4595082546.

The spelling of 998379401 in words is "nine hundred ninety-eight million, three hundred seventy-nine thousand, four hundred one".