2321490 has 16 divisors (see below), whose sum is σ = 5571648. Its totient is φ = 619056.

The previous prime is 2321443. The next prime is 2321507. The reversal of 2321490 is 941232.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38662 + ... + 38721.

It is an arithmetic number, because the mean of its divisors is an integer number (348228).

2^2321490 is an apocalyptic number.

2321490 is an abundant number, since it is smaller than the sum of its proper divisors (3250158).

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

2321490 is a wasteful number, since it uses less digits than its factorization.

2321490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77393.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2321490 is about 1523.6436591277. The cubic root of 2321490 is about 132.4104533204.

The spelling of 2321490 in words is "two million, three hundred twenty-one thousand, four hundred ninety".