940778 has 4 divisors (see below), whose sum is σ = 1411170. Its totient is φ = 470388.

The previous prime is 940759. The next prime is 940781. The reversal of 940778 is 877049.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 877049 = 479 ⋅1831.

It can be written as a sum of positive squares in only one way, i.e., 889249 + 51529 = 943^2 + 227^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235193 + ... + 235196.

2⁹⁴⁰⁷⁷⁸ is an apocalyptic number.

940778 is a deficient number, since it is larger than the sum of its proper divisors (470392).

940778 is a wasteful number, since it uses less digits than its factorization.

940778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470391.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 940778 is about 969.9371113634. The cubic root of 940778 is about 97.9856288798.

The spelling of 940778 in words is "nine hundred forty thousand, seven hundred seventy-eight".