268903761 has 16 divisors (see below), whose sum is σ = 412132224. Its totient is φ = 152769024.

The previous prime is 268903759. The next prime is 268903771. The reversal of 268903761 is 167309862.

It is a happy number.

It is not a de Polignac number, because 268903761 - 2¹ = 268903759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268903721) 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, 33376 + ... + 40641.

It is an arithmetic number, because the mean of its divisors is an integer number (25758264).

Almost surely, 2^268903761 is an apocalyptic number.

268903761 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

268903761 is a deficient number, since it is larger than the sum of its proper divisors (143228463).

268903761 is a wasteful number, since it uses less digits than its factorization.

268903761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74200.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 268903761 is about 16398.2853067020. The cubic root of 268903761 is about 645.4544888827.

The spelling of 268903761 in words is "two hundred sixty-eight million, nine hundred three thousand, seven hundred sixty-one".