6904992 has 48 divisors (see below), whose sum is σ = 19196352. Its totient is φ = 2165760.

The previous prime is 6904981. The next prime is 6904993. The reversal of 6904992 is 2994096.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6904992.

It is not an unprimeable number, because it can be changed into a prime (6904993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484 + ... + 3747.

It is an arithmetic number, because the mean of its divisors is an integer number (399924).

Almost surely, 2^6904992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6904992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9598176).

6904992 is an abundant number, since it is smaller than the sum of its proper divisors (12291360).

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

6904992 is a wasteful number, since it uses less digits than its factorization.

6904992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4253 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 6904992 is about 2627.7351464712. The cubic root of 6904992 is about 190.4237265350.

The spelling of 6904992 in words is "six million, nine hundred four thousand, nine hundred ninety-two".