2349690 has 64 divisors (see below), whose sum is σ = 6580224. Its totient is φ = 525888.

The previous prime is 2349679. The next prime is 2349701. The reversal of 2349690 is 969432.

It is an interprime number because it is at equal distance from previous prime (2349679) and next prime (2349701).

It is a super-2 number, since 2×2349690² = 11042086192200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13987 + ... + 14153.

It is an arithmetic number, because the mean of its divisors is an integer number (102816).

2^2349690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2349690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3290112).

2349690 is an abundant number, since it is smaller than the sum of its proper divisors (4230534).

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

2349690 is a wasteful number, since it uses less digits than its factorization.

2349690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 2349690 is about 1532.8698574895. The cubic root of 2349690 is about 132.9444432253.

The spelling of 2349690 in words is "two million, three hundred forty-nine thousand, six hundred ninety".