2396621021 has 8 divisors (see below), whose sum is σ = 2456481504. Its totient is φ = 2337469200.

The previous prime is 2396620979. The next prime is 2396621023. The reversal of 2396621021 is 1201266932.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2396621021 - 2⁶ = 2396620957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2396621023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170315 + ... + 183848.

It is an arithmetic number, because the mean of its divisors is an integer number (307060188).

Almost surely, 2^2396621021 is an apocalyptic number.

It is an amenable number.

2396621021 is a deficient number, since it is larger than the sum of its proper divisors (59860483).

2396621021 is a wasteful number, since it uses less digits than its factorization.

2396621021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354331.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2396621021 is about 48955.2961486293. The cubic root of 2396621021 is about 1338.2372717549.

Adding to 2396621021 its reverse (1201266932), we get a palindrome (3597887953).

The spelling of 2396621021 in words is "two billion, three hundred ninety-six million, six hundred twenty-one thousand, twenty-one".