23694420 has 48 divisors (see below), whose sum is σ = 66971520. Its totient is φ = 6258816.

The previous prime is 23694389. The next prime is 23694443. The reversal of 23694420 is 2449632.

It is a super-2 number, since 2×23694420² = 1122851078272800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4729 + ... + 8351.

It is an arithmetic number, because the mean of its divisors is an integer number (1395240).

Almost surely, 2^23694420 is an apocalyptic number.

23694420 is a gapful number since it is divisible by the number (20) 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 23694420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33485760).

23694420 is an abundant number, since it is smaller than the sum of its proper divisors (43277100).

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

23694420 is a wasteful number, since it uses less digits than its factorization.

23694420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744 (or 3742 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 23694420 is about 4867.6914446173. The cubic root of 23694420 is about 287.2204516489.

The spelling of 23694420 in words is "twenty-three million, six hundred ninety-four thousand, four hundred twenty".