4970021 has 6 divisors (see below), whose sum is σ = 5781510. Its totient is φ = 4259976.

The previous prime is 4969997. The next prime is 4970029. The reversal of 4970021 is 1200794.

It can be written as a sum of positive squares in only one way, i.e., 4708900 + 261121 = 2170^2 + 511^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4970021 is a prime.

It is a super-2 number, since 2×4970021² = 49402217480882, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4970029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50666 + ... + 50763.

It is an arithmetic number, because the mean of its divisors is an integer number (963585).

Almost surely, 2^4970021 is an apocalyptic number.

It is an amenable number.

4970021 is a deficient number, since it is larger than the sum of its proper divisors (811489).

4970021 is a wasteful number, since it uses less digits than its factorization.

4970021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101443 (or 101436 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 4970021 is about 2229.3543908495. The cubic root of 4970021 is about 170.6551535575.

The spelling of 4970021 in words is "four million, nine hundred seventy thousand, twenty-one".