40998306 has 16 divisors (see below), whose sum is σ = 84642048. Its totient is φ = 13225200.

The previous prime is 40998301. The next prime is 40998313. The reversal of 40998306 is 60389904.

It is a super-2 number, since 2×40998306² = 3361722189739272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40998301) 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, 110025 + ... + 110396.

It is an arithmetic number, because the mean of its divisors is an integer number (5290128).

Almost surely, 2^40998306 is an apocalyptic number.

40998306 is an abundant number, since it is smaller than the sum of its proper divisors (43643742).

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

40998306 is a wasteful number, since it uses less digits than its factorization.

40998306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220457.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 40998306 is about 6402.9919568902. The cubic root of 40998306 is about 344.8169749647.

The spelling of 40998306 in words is "forty million, nine hundred ninety-eight thousand, three hundred six".