940451 has 4 divisors (see below), whose sum is σ = 942504. Its totient is φ = 938400.

The previous prime is 940421. The next prime is 940469. The reversal of 940451 is 154049.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-940451 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (940421) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (235626).

2⁹⁴⁰⁴⁵¹ is an apocalyptic number.

940451 is a deficient number, since it is larger than the sum of its proper divisors (2053).

940451 is a wasteful number, since it uses less digits than its factorization.

940451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 940451 is about 969.7685290831. The cubic root of 940451 is about 97.9742747970.

The spelling of 940451 in words is "nine hundred forty thousand, four hundred fifty-one".