942457 has 4 divisors (see below), whose sum is σ = 992080. Its totient is φ = 892836.

The previous prime is 942449. The next prime is 942479. The reversal of 942457 is 754249.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 942457 - 2³ = 942449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (942437) 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, 24783 + ... + 24820.

It is an arithmetic number, because the mean of its divisors is an integer number (248020).

2⁹⁴²⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

942457 is a deficient number, since it is larger than the sum of its proper divisors (49623).

942457 is a wasteful number, since it uses less digits than its factorization.

942457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49622.

The product of its digits is 10080, while the sum is 31.

The square root of 942457 is about 970.8022455681. The cubic root of 942457 is about 98.0438856617.

The spelling of 942457 in words is "nine hundred forty-two thousand, four hundred fifty-seven".