268420603 has 16 divisors (see below), whose sum is σ = 307431936. Its totient is φ = 231975040.

The previous prime is 268420573. The next prime is 268420613. The reversal of 268420603 is 306024862.

It is not a de Polignac number, because 268420603 - 2²¹ = 266323451 is a prime.

It is a super-2 number, since 2×268420603² = 144099240229767218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268420613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39075 + ... + 45427.

It is an arithmetic number, because the mean of its divisors is an integer number (19214496).

Almost surely, 2^268420603 is an apocalyptic number.

268420603 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

268420603 is a deficient number, since it is larger than the sum of its proper divisors (39011333).

268420603 is a wasteful number, since it uses less digits than its factorization.

268420603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6554.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 268420603 is about 16383.5467161418. The cubic root of 268420603 is about 645.0676795356.

The spelling of 268420603 in words is "two hundred sixty-eight million, four hundred twenty thousand, six hundred three".