946778354 has 4 divisors (see below), whose sum is σ = 1420167534. Its totient is φ = 473389176.

The previous prime is 946778323. The next prime is 946778359. The reversal of 946778354 is 453877649.

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

It can be written as a sum of positive squares in only one way, i.e., 790903129 + 155875225 = 28123^2 + 12485^2 .

It is a junction number, because it is equal to n+sod(n) for n = 946778296 and 946778305.

It is not an unprimeable number, because it can be changed into a prime (946778359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236694587 + ... + 236694590.

Almost surely, 2^946778354 is an apocalyptic number.

946778354 is a deficient number, since it is larger than the sum of its proper divisors (473389180).

946778354 is a wasteful number, since it uses less digits than its factorization.

946778354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473389179.

The product of its digits is 5080320, while the sum is 53.

The square root of 946778354 is about 30769.7636325013. The cubic root of 946778354 is about 981.9350749271.

The spelling of 946778354 in words is "nine hundred forty-six million, seven hundred seventy-eight thousand, three hundred fifty-four".