2801398 has 8 divisors (see below), whose sum is σ = 4423320. Its totient is φ = 1326960.

The previous prime is 2801369. The next prime is 2801401. The reversal of 2801398 is 8931082.

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

It is a congruent number.

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, 36823 + ... + 36898.

It is an arithmetic number, because the mean of its divisors is an integer number (552915).

2^2801398 is an apocalyptic number.

2801398 is a deficient number, since it is larger than the sum of its proper divisors (1621922).

2801398 is a wasteful number, since it uses less digits than its factorization.

2801398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73742.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2801398 is about 1673.7377333382. The cubic root of 2801398 is about 140.9694281756.

The spelling of 2801398 in words is "two million, eight hundred one thousand, three hundred ninety-eight".