4778254 has 16 divisors (see below), whose sum is σ = 7928928. Its totient is φ = 2145312.

The previous prime is 4778237. The next prime is 4778303. The reversal of 4778254 is 4528774.

It is a super-2 number, since 2×4778254² = 45663422577032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

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, 1522 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (495558).

Almost surely, 2^4778254 is an apocalyptic number.

4778254 is a deficient number, since it is larger than the sum of its proper divisors (3150674).

4778254 is a wasteful number, since it uses less digits than its factorization.

4778254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019.

The product of its digits is 62720, while the sum is 37.

The square root of 4778254 is about 2185.9217735317. The cubic root of 4778254 is about 168.4314073027.

The spelling of 4778254 in words is "four million, seven hundred seventy-eight thousand, two hundred fifty-four".