2345490 has 128 divisors (see below), whose sum is σ = 7672320. Its totient is φ = 497664.

The previous prime is 2345479. The next prime is 2345501. The reversal of 2345490 is 945432.

It is an interprime number because it is at equal distance from previous prime (2345479) and next prime (2345501).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32094 + ... + 32166.

It is an arithmetic number, because the mean of its divisors is an integer number (59940).

2^2345490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2345490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3836160).

2345490 is an abundant number, since it is smaller than the sum of its proper divisors (5326830).

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

2345490 is a wasteful number, since it uses less digits than its factorization.

2345490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2345490 is about 1531.4992654259. The cubic root of 2345490 is about 132.8651845883.

The spelling of 2345490 in words is "two million, three hundred forty-five thousand, four hundred ninety".