2001054398 has 16 divisors (see below), whose sum is σ = 3460739040. Its totient is φ = 850004736.

The previous prime is 2001054397. The next prime is 2001054403. The reversal of 2001054398 is 8934501002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001054397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630863 + ... + 634026.

It is an arithmetic number, because the mean of its divisors is an integer number (216296190).

Almost surely, 2^2001054398 is an apocalyptic number.

2001054398 is a deficient number, since it is larger than the sum of its proper divisors (1459684642).

2001054398 is a wasteful number, since it uses less digits than its factorization.

2001054398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265011.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2001054398 is about 44733.1465246969. The cubic root of 2001054398 is about 1260.1424207031.

The spelling of 2001054398 in words is "two billion, one million, fifty-four thousand, three hundred ninety-eight".