406147740 has 96 divisors (see below), whose sum is σ = 1194117120. Its totient is φ = 103008000.

The previous prime is 406147723. The next prime is 406147747. The reversal of 406147740 is 47741604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406147747) 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 31 ways as a sum of consecutive naturals, for example, 107890 + ... + 111590.

It is an arithmetic number, because the mean of its divisors is an integer number (12438720).

Almost surely, 2^406147740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406147740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597058560).

406147740 is an abundant number, since it is smaller than the sum of its proper divisors (787969380).

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

406147740 is a wasteful number, since it uses less digits than its factorization.

406147740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803 (or 3801 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 406147740 is about 20153.1074526982. The cubic root of 406147740 is about 740.5618693541.

The spelling of 406147740 in words is "four hundred six million, one hundred forty-seven thousand, seven hundred forty".