2623698 has 64 divisors (see below), whose sum is σ = 7280640. Its totient is φ = 680400.

The previous prime is 2623657. The next prime is 2623711. The reversal of 2623698 is 8963262.

It is a d-powerful number, because it can be written as 2¹⁹ + 6³ + 2²¹ + 3⁶ + 6⁴ + 9 + 8 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3843 + ... + 4473.

It is an arithmetic number, because the mean of its divisors is an integer number (113760).

2^2623698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2623698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3640320).

2623698 is an abundant number, since it is smaller than the sum of its proper divisors (4656942).

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

2623698 is a wasteful number, since it uses less digits than its factorization.

2623698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 654 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 2623698 is about 1619.7833188424. The cubic root of 2623698 is about 137.9233979407.

It can be divided in two parts, 2623 and 698, that added together give a triangular number (3321 = T₈₁).

The spelling of 2623698 in words is "two million, six hundred twenty-three thousand, six hundred ninety-eight".