6901980 has 48 divisors (see below), whose sum is σ = 19854240. Its totient is φ = 1790208.

The previous prime is 6901957. The next prime is 6902003. The reversal of 6901980 is 891096.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6901957) and next prime (6902003).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666 + ... + 3774.

It is an arithmetic number, because the mean of its divisors is an integer number (413630).

Almost surely, 2^6901980 is an apocalyptic number.

6901980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6901980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9927120).

6901980 is an abundant number, since it is smaller than the sum of its proper divisors (12952260).

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

6901980 is a wasteful number, since it uses less digits than its factorization.

6901980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158 (or 3156 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 6901980 is about 2627.1619668380. The cubic root of 6901980 is about 190.3960345077.

The spelling of 6901980 in words is "six million, nine hundred one thousand, nine hundred eighty".