4992778 has 16 divisors (see below), whose sum is σ = 8588160. Its totient is φ = 2132496.

The previous prime is 4992769. The next prime is 4992787. The reversal of 4992778 is 8772994.

It is an interprime number because it is at equal distance from previous prime (4992769) and next prime (4992787).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6688 + ... + 7396.

It is an arithmetic number, because the mean of its divisors is an integer number (536760).

Almost surely, 2^4992778 is an apocalyptic number.

4992778 is a deficient number, since it is larger than the sum of its proper divisors (3595382).

4992778 is a wasteful number, since it uses less digits than its factorization.

4992778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its digits is 254016, while the sum is 46.

The square root of 4992778 is about 2234.4525056488. The cubic root of 4992778 is about 170.9152253549.

It can be divided in two parts, 49927 and 78, that added together give a palindrome (50005).

The spelling of 4992778 in words is "four million, nine hundred ninety-two thousand, seven hundred seventy-eight".