2490726 has 32 divisors (see below), whose sum is σ = 5879808. Its totient is φ = 688320.

The previous prime is 2490713. The next prime is 2490727. The reversal of 2490726 is 6270942.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹⁷ + 4⁹ + 9 + 0 + 7³ + 2²¹ + 6 .

It is a junction number, because it is equal to n+sod(n) for n = 2490693 and 2490702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490727) 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, 346 + ... + 2258.

It is an arithmetic number, because the mean of its divisors is an integer number (183744).

2^2490726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2490726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2939904).

2490726 is an abundant number, since it is smaller than the sum of its proper divisors (3389082).

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

2490726 is a wasteful number, since it uses less digits than its factorization.

2490726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2490726 is about 1578.2034089432. The cubic root of 2490726 is about 135.5528494886.

The spelling of 2490726 in words is "two million, four hundred ninety thousand, seven hundred twenty-six".