4990807 has 4 divisors (see below), whose sum is σ = 5112576. Its totient is φ = 4869040.

The previous prime is 4990781. The next prime is 4990823. The reversal of 4990807 is 7080994.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4990807 - 2⁷ = 4990679 is a prime.

It is a super-2 number, since 2×4990807² = 49816309022498, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

4990807 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4994807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60823 + ... + 60904.

It is an arithmetic number, because the mean of its divisors is an integer number (1278144).

Almost surely, 2^4990807 is an apocalyptic number.

4990807 is a deficient number, since it is larger than the sum of its proper divisors (121769).

4990807 is a wasteful number, since it uses less digits than its factorization.

4990807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121768.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 4990807 is about 2234.0114144740. The cubic root of 4990807 is about 170.8927316485.

The spelling of 4990807 in words is "four million, nine hundred ninety thousand, eight hundred seven".