406740004 has 24 divisors (see below), whose sum is σ = 810266688. Its totient is φ = 176843040.

The previous prime is 406739989. The next prime is 406740017. The reversal of 406740004 is 400047604.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 199947 + ... + 201970.

It is an arithmetic number, because the mean of its divisors is an integer number (33761112).

Almost surely, 2^406740004 is an apocalyptic number.

406740004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

406740004 is a deficient number, since it is larger than the sum of its proper divisors (403526684).

406740004 is a wasteful number, since it uses less digits than its factorization.

406740004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401955 (or 401953 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 406740004 is about 20167.7962107911. The cubic root of 406740004 is about 740.9216687281.

Adding to 406740004 its reverse (400047604), we get a palindrome (806787608).

The spelling of 406740004 in words is "four hundred six million, seven hundred forty thousand, four".