6989970 has 32 divisors (see below), whose sum is σ = 18067392. Its totient is φ = 1720512.

The previous prime is 6989963. The next prime is 6989987. The reversal of 6989970 is 799896.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8572 + ... + 9351.

It is an arithmetic number, because the mean of its divisors is an integer number (564606).

Almost surely, 2^6989970 is an apocalyptic number.

6989970 is an abundant number, since it is smaller than the sum of its proper divisors (11077422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6989970 is a wasteful number, since it uses less digits than its factorization.

6989970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17946.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 6989970 is about 2643.8551397533. The cubic root of 6989970 is about 191.2017093677.

The spelling of 6989970 in words is "six million, nine hundred eighty-nine thousand, nine hundred seventy".