4778290 has 32 divisors (see below), whose sum is σ = 9486720. Its totient is φ = 1732720.

The previous prime is 4778237. The next prime is 4778303. The reversal of 4778290 is 928774.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13131 + ... + 13489.

It is an arithmetic number, because the mean of its divisors is an integer number (296460).

Almost surely, 2^4778290 is an apocalyptic number.

4778290 is a deficient number, since it is larger than the sum of its proper divisors (4708430).

4778290 is a wasteful number, since it uses less digits than its factorization.

4778290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 4778290 is about 2185.9300080286. The cubic root of 4778290 is about 168.4318302965.

The spelling of 4778290 in words is "four million, seven hundred seventy-eight thousand, two hundred ninety".