451696 has 40 divisors (see below), whose sum is σ = 1036640. Its totient is φ = 186624.

The previous prime is 451691. The next prime is 451699. The reversal of 451696 is 696154.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451691) by changing a digit.

451696 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4090 + ... + 4198.

It is an arithmetic number, because the mean of its divisors is an integer number (25916).

2⁴⁵¹⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518320).

451696 is an abundant number, since it is smaller than the sum of its proper divisors (584944).

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

451696 is a wasteful number, since it uses less digits than its factorization.

451696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 155 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 451696 is about 672.0833281670. The cubic root of 451696 is about 76.7270937170.

The spelling of 451696 in words is "four hundred fifty-one thousand, six hundred ninety-six".