408061761 has 16 divisors (see below), whose sum is σ = 580302144. Its totient is φ = 254165504.

The previous prime is 408061747. The next prime is 408061769. The reversal of 408061761 is 167160804.

It is a happy number.

It is not a de Polignac number, because 408061761 - 2⁵ = 408061729 is a prime.

It is a super-2 number, since 2×408061761² = 333028801580842242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (408061769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22215 + ... + 36188.

It is an arithmetic number, because the mean of its divisors is an integer number (36268884).

Almost surely, 2^408061761 is an apocalyptic number.

It is an amenable number.

408061761 is a deficient number, since it is larger than the sum of its proper divisors (172240383).

408061761 is a wasteful number, since it uses less digits than its factorization.

408061761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58560.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 408061761 is about 20200.5386314326. The cubic root of 408061761 is about 741.7233762021.

The spelling of 408061761 in words is "four hundred eight million, sixty-one thousand, seven hundred sixty-one".