990370401 has 8 divisors (see below), whose sum is σ = 1342875360. Its totient is φ = 649056192.

The previous prime is 990370399. The next prime is 990370477. The reversal of 990370401 is 104073099.

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

It is not a de Polignac number, because 990370401 - 2¹ = 990370399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (990375401) 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, 2797480 + ... + 2797833.

It is an arithmetic number, because the mean of its divisors is an integer number (167859420).

Almost surely, 2^990370401 is an apocalyptic number.

It is an amenable number.

990370401 is a deficient number, since it is larger than the sum of its proper divisors (352504959).

990370401 is a wasteful number, since it uses less digits than its factorization.

990370401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595375.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 990370401 is about 31470.1509529268. The cubic root of 990370401 is about 996.7797749484.

The spelling of 990370401 in words is "nine hundred ninety million, three hundred seventy thousand, four hundred one".