940457 has 12 divisors (see below), whose sum is σ = 1159380. Its totient is φ = 758016.

The previous prime is 940421. The next prime is 940469. The reversal of 940457 is 754049.

940457 = T₂₁₈ + T₂₁₉ + ... + T₂₅₁.

It can be written as a sum of positive squares in 2 ways, for example, as 379456 + 561001 = 616^2 + 749^2 .

It is not a de Polignac number, because 940457 - 2⁸ = 940201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940477) 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 11 ways as a sum of consecutive naturals, for example, 269 + ... + 1397.

It is an arithmetic number, because the mean of its divisors is an integer number (96615).

2⁹⁴⁰⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

940457 is a deficient number, since it is larger than the sum of its proper divisors (218923).

940457 is a wasteful number, since it uses less digits than its factorization.

940457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 940457 is about 969.7716225999. The cubic root of 940457 is about 97.9744831525.

The spelling of 940457 in words is "nine hundred forty thousand, four hundred fifty-seven".