2420981386 has 8 divisors (see below), whose sum is σ = 3677440320. Its totient is φ = 1195167948.

The previous prime is 2420981371. The next prime is 2420981411. The reversal of 2420981386 is 6831890242.

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

It is a super-2 number, since 2×2420981386² = 11722301742716961992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7661176 + ... + 7661491.

It is an arithmetic number, because the mean of its divisors is an integer number (459680040).

Almost surely, 2^2420981386 is an apocalyptic number.

2420981386 is a deficient number, since it is larger than the sum of its proper divisors (1256458934).

2420981386 is a wasteful number, since it uses less digits than its factorization.

2420981386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15322748.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 2420981386 is about 49203.4692476049. The cubic root of 2420981386 is about 1342.7561497901.

The spelling of 2420981386 in words is "two billion, four hundred twenty million, nine hundred eighty-one thousand, three hundred eighty-six".