2236464 has 80 divisors (see below), whose sum is σ = 6666240. Its totient is φ = 717120.

The previous prime is 2236457. The next prime is 2236477. The reversal of 2236464 is 4646322.

2236464 = T₂₃₇ + T₂₃₈ + ... + T₂₉₈.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13309 + ... + 13475.

It is an arithmetic number, because the mean of its divisors is an integer number (83328).

2^2236464 is an apocalyptic number.

2236464 is a gapful number since it is divisible by the number (24) 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 2236464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3333120).

2236464 is an abundant number, since it is smaller than the sum of its proper divisors (4429776).

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

2236464 is a wasteful number, since it uses less digits than its factorization.

2236464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 203 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 2236464 is about 1495.4811934625. The cubic root of 2236464 is about 130.7737679909.

It can be divided in two parts, 22 and 36464, that multiplied together give a palindrome (802208).

The spelling of 2236464 in words is "two million, two hundred thirty-six thousand, four hundred sixty-four".