402206761 has 16 divisors (see below), whose sum is σ = 461639808. Its totient is φ = 347068800.

The previous prime is 402206743. The next prime is 402206809. The reversal of 402206761 is 167602204.

It is a cyclic number.

It is not a de Polignac number, because 402206761 - 2⁷ = 402206633 is a prime.

It is a super-2 number, since 2×402206761² = 323540557188222242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402206731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4636 + ... + 28738.

It is an arithmetic number, because the mean of its divisors is an integer number (28852488).

Almost surely, 2^402206761 is an apocalyptic number.

402206761 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

402206761 is a deficient number, since it is larger than the sum of its proper divisors (59433047).

402206761 is a wasteful number, since it uses less digits than its factorization.

402206761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24192.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 402206761 is about 20055.0931436381. The cubic root of 402206761 is about 738.1587784435.

Adding to 402206761 its reverse (167602204), we get a palindrome (569808965).

The spelling of 402206761 in words is "four hundred two million, two hundred six thousand, seven hundred sixty-one".