6940436 has 6 divisors (see below), whose sum is σ = 12145770. Its totient is φ = 3470216.

The previous prime is 6940433. The next prime is 6940441. The reversal of 6940436 is 6340496.

It can be written as a sum of positive squares in only one way, i.e., 6728836 + 211600 = 2594^2 + 460^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 867551 + ... + 867558.

It is an arithmetic number, because the mean of its divisors is an integer number (2024295).

Almost surely, 2^6940436 is an apocalyptic number.

It is an amenable number.

6940436 is a deficient number, since it is larger than the sum of its proper divisors (5205334).

6940436 is a wasteful number, since it uses less digits than its factorization.

6940436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735113 (or 1735111 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 6940436 is about 2634.4707248326. The cubic root of 6940436 is about 190.7489918395.

The spelling of 6940436 in words is "six million, nine hundred forty thousand, four hundred thirty-six".