404895036 has 240 divisors, whose sum is σ = 1264886784. Its totient is φ = 99969408.

The previous prime is 404895031. The next prime is 404895041. The reversal of 404895036 is 630598404.

It is an interprime number because it is at equal distance from previous prime (404895031) and next prime (404895041).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 404894985 and 404895003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404895031) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8614765 + ... + 8614811.

Almost surely, 2^404895036 is an apocalyptic number.

404895036 is a gapful number since it is divisible by the number (46) 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 404895036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632443392).

404895036 is an abundant number, since it is smaller than the sum of its proper divisors (859991748).

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

404895036 is a wasteful number, since it uses less digits than its factorization.

404895036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 404895036 is about 20122.0037769602. The cubic root of 404895036 is about 739.7996998669.

The spelling of 404895036 in words is "four hundred four million, eight hundred ninety-five thousand, thirty-six".