2783620401 has 8 divisors (see below), whose sum is σ = 3714668064. Its totient is φ = 1854159840.

The previous prime is 2783620397. The next prime is 2783620459. The reversal of 2783620401 is 1040263872.

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

It is not a de Polignac number, because 2783620401 - 2² = 2783620397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2783620501) 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, 392676 + ... + 399701.

It is an arithmetic number, because the mean of its divisors is an integer number (464333508).

Almost surely, 2^2783620401 is an apocalyptic number.

It is an amenable number.

2783620401 is a deficient number, since it is larger than the sum of its proper divisors (931047663).

2783620401 is a wasteful number, since it uses less digits than its factorization.

2783620401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793551.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2783620401 is about 52760.0265447242. The cubic root of 2783620401 is about 1406.7059904989.

The spelling of 2783620401 in words is "two billion, seven hundred eighty-three million, six hundred twenty thousand, four hundred one".