2697990 has 32 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 713184.

The previous prime is 2697983. The next prime is 2697991. The reversal of 2697990 is 997962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2697991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3847 + ... + 4493.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

2^2697990 is an apocalyptic number.

2697990 is an abundant number, since it is smaller than the sum of its proper divisors (3833850).

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

2697990 is a wasteful number, since it uses less digits than its factorization.

2697990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796.

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

The square root of 2697990 is about 1642.5559351206. Note that the first 3 decimals coincide. The cubic root of 2697990 is about 139.2131023801.

The spelling of 2697990 in words is "two million, six hundred ninety-seven thousand, nine hundred ninety".