2690898 has 32 divisors (see below), whose sum is σ = 6236160. Its totient is φ = 758160.

The previous prime is 2690887. The next prime is 2690911. The reversal of 2690898 is 8980962.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2913 + ... + 3723.

It is an arithmetic number, because the mean of its divisors is an integer number (194880).

2^2690898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2690898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3118080).

2690898 is an abundant number, since it is smaller than the sum of its proper divisors (3545262).

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

2690898 is a wasteful number, since it uses less digits than its factorization.

2690898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2690898 is about 1640.3956839738. The cubic root of 2690898 is about 139.0910157320.

Subtracting 2690898 from its reverse (8980962), we obtain a square (6290064 = 2508²).

It can be divided in two parts, 2 and 690898, that added together give a triangular number (690900 = T₁₁₇₅).

The spelling of 2690898 in words is "two million, six hundred ninety thousand, eight hundred ninety-eight".