2999997 has 80 divisors (see below), whose sum is σ = 6179712. Its totient is φ = 1399680.

The previous prime is 2999957. The next prime is 2999999. The reversal of 2999997 is 7999992.

It is not a de Polignac number, because 2999997 - 2⁶ = 2999933 is a prime.

2999997 is a Rhonda number in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2999999) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 81063 + ... + 81099.

2^2999997 is an apocalyptic number.

2999997 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2999997 is an abundant number, since it is smaller than the sum of its proper divisors (3179715).

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

2999997 is a wasteful number, since it uses less digits than its factorization.

2999997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 71 counting only the distinct ones).

The product of its digits is 826686, while the sum is 54.

The square root of 2999997 is about 1732.0499415433. The cubic root of 2999997 is about 144.2249089557.

It can be divided in two parts, 299 and 9997, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 2999997 in words is "two million, nine hundred ninety-nine thousand, nine hundred ninety-seven".