6940202 has 4 divisors (see below), whose sum is σ = 10410306. Its totient is φ = 3470100.

The previous prime is 6940189. The next prime is 6940207. The reversal of 6940202 is 2020496.

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

It can be written as a sum of positive squares in only one way, i.e., 6911641 + 28561 = 2629^2 + 169^2 .

It is not an unprimeable number, because it can be changed into a prime (6940207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1735049 + ... + 1735052.

Almost surely, 2^6940202 is an apocalyptic number.

6940202 is a deficient number, since it is larger than the sum of its proper divisors (3470104).

6940202 is a wasteful number, since it uses less digits than its factorization.

6940202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3470103.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6940202 is about 2634.4263132606. The cubic root of 6940202 is about 190.7468480854.

Adding to 6940202 its reverse (2020496), we get a palindrome (8960698).

The spelling of 6940202 in words is "six million, nine hundred forty thousand, two hundred two".