2690001 has 12 divisors (see below), whose sum is σ = 4090320. Its totient is φ = 1698840.

The previous prime is 2689997. The next prime is 2690003. The reversal of 2690001 is 1000962.

It is not a de Polignac number, because 2690001 - 2² = 2689997 is a prime.

It is a super-2 number, since 2×2690001² = 14472210760002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2690003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7695 + ... + 8036.

It is an arithmetic number, because the mean of its divisors is an integer number (340860).

2^2690001 is an apocalyptic number.

It is an amenable number.

2690001 is a deficient number, since it is larger than the sum of its proper divisors (1400319).

2690001 is a wasteful number, since it uses less digits than its factorization.

2690001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15756 (or 15753 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2690001 is about 1640.1222515410. The cubic root of 2690001 is about 139.0755588713.

Adding to 2690001 its reverse (1000962), we get a palindrome (3690963).

The spelling of 2690001 in words is "two million, six hundred ninety thousand, one".