4921388 has 6 divisors (see below), whose sum is σ = 8612436. Its totient is φ = 2460692.

The previous prime is 4921373. The next prime is 4921391. The reversal of 4921388 is 8831294.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615170 + ... + 615177.

It is an arithmetic number, because the mean of its divisors is an integer number (1435406).

Almost surely, 2^4921388 is an apocalyptic number.

It is an amenable number.

4921388 is a deficient number, since it is larger than the sum of its proper divisors (3691048).

4921388 is a wasteful number, since it uses less digits than its factorization.

4921388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230351 (or 1230349 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 4921388 is about 2218.4201585813. The cubic root of 4921388 is about 170.0966923978.

The spelling of 4921388 in words is "four million, nine hundred twenty-one thousand, three hundred eighty-eight".