4970991 has 4 divisors (see below), whose sum is σ = 6627992. Its totient is φ = 3313992.

The previous prime is 4970981. The next prime is 4970993. The reversal of 4970991 is 1990794.

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

It is not a de Polignac number, because 4970991 - 2⁷ = 4970863 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4970993) 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, 828496 + ... + 828501.

It is an arithmetic number, because the mean of its divisors is an integer number (1656998).

Almost surely, 2^4970991 is an apocalyptic number.

4970991 is a deficient number, since it is larger than the sum of its proper divisors (1657001).

4970991 is a wasteful number, since it uses less digits than its factorization.

4970991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657000.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 4970991 is about 2229.5719320085. The cubic root of 4970991 is about 170.6662551022. Note that the first 3 decimals are identical.

The spelling of 4970991 in words is "four million, nine hundred seventy thousand, nine hundred ninety-one".