5266404 has 144 divisors (see below), whose sum is σ = 16683520. Its totient is φ = 1425600.

The previous prime is 5266381. The next prime is 5266423. The reversal of 5266404 is 4046625.

It is a happy number.

It is a super-2 number, since 2×5266404² = 55470022182432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 169869 + ... + 169899.

Almost surely, 2^5266404 is an apocalyptic number.

5266404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5266404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8341760).

5266404 is an abundant number, since it is smaller than the sum of its proper divisors (11417116).

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

5266404 is a wasteful number, since it uses less digits than its factorization.

5266404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 5266404 is about 2294.8647018942. The cubic root of 5266404 is about 173.9821622618.

The spelling of 5266404 in words is "five million, two hundred sixty-six thousand, four hundred four".