40379898 has 32 divisors (see below), whose sum is σ = 87256512. Its totient is φ = 12384000.

The previous prime is 40379891. The next prime is 40379903. The reversal of 40379898 is 89897304.

40379898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40379891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30633 + ... + 31923.

It is an arithmetic number, because the mean of its divisors is an integer number (2726766).

Almost surely, 2^40379898 is an apocalyptic number.

40379898 is an abundant number, since it is smaller than the sum of its proper divisors (46876614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40379898 is a wasteful number, since it uses less digits than its factorization.

40379898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 40379898 is about 6354.5179203461. The cubic root of 40379898 is about 343.0744737663.

The spelling of 40379898 in words is "forty million, three hundred seventy-nine thousand, eight hundred ninety-eight".