2907996 has 48 divisors (see below), whose sum is σ = 8354304. Its totient is φ = 766656.

The previous prime is 2907979. The next prime is 2907997. The reversal of 2907996 is 6997092.

2907996 = 113² + 114² + ... + 216².

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2907997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240 + ... + 2423.

It is an arithmetic number, because the mean of its divisors is an integer number (174048).

2^2907996 is an apocalyptic number.

2907996 is a gapful number since it is divisible by the number (26) 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 2907996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4177152).

2907996 is an abundant number, since it is smaller than the sum of its proper divisors (5446308).

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

2907996 is a wasteful number, since it uses less digits than its factorization.

2907996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 2907996 is about 1705.2847269591. The cubic root of 2907996 is about 142.7352592784.

The spelling of 2907996 in words is "two million, nine hundred seven thousand, nine hundred ninety-six".