4978386 has 24 divisors (see below), whose sum is σ = 12327744. Its totient is φ = 1422360.

The previous prime is 4978367. The next prime is 4978397. The reversal of 4978386 is 6838794.

It is a happy number.

4978386 is a `hidden beast` number, since 497 + 83 + 86 = 666.

It is a zygodrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19630 + ... + 19881.

It is an arithmetic number, because the mean of its divisors is an integer number (513656).

Almost surely, 2^4978386 is an apocalyptic number.

4978386 is an abundant number, since it is smaller than the sum of its proper divisors (7349358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4978386 is a wasteful number, since it uses less digits than its factorization.

4978386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39526 (or 39523 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4978386 is about 2231.2297057901. The cubic root of 4978386 is about 170.7508426381.

The spelling of 4978386 in words is "four million, nine hundred seventy-eight thousand, three hundred eighty-six".