40992946 has 8 divisors (see below), whose sum is σ = 64162944. Its totient is φ = 19605300.

The previous prime is 40992911. The next prime is 40992947. The reversal of 40992946 is 64929904.

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

It is not an unprimeable number, because it can be changed into a prime (40992947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445530 + ... + 445621.

It is an arithmetic number, because the mean of its divisors is an integer number (8020368).

Almost surely, 2^40992946 is an apocalyptic number.

40992946 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40992946 is a deficient number, since it is larger than the sum of its proper divisors (23169998).

40992946 is a wasteful number, since it uses less digits than its factorization.

40992946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891176.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 40992946 is about 6402.5733888804. The cubic root of 40992946 is about 344.8019475184.

The spelling of 40992946 in words is "forty million, nine hundred ninety-two thousand, nine hundred forty-six".