3802978401 has 16 divisors (see below), whose sum is σ = 5294023296. Its totient is φ = 2423748096.

The previous prime is 3802978379. The next prime is 3802978429. The reversal of 3802978401 is 1048792083.

It is not a de Polignac number, because 3802978401 - 2⁵ = 3802978369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3802978441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119121 + ... + 147633.

It is an arithmetic number, because the mean of its divisors is an integer number (330876456).

Almost surely, 2^3802978401 is an apocalyptic number.

It is an amenable number.

3802978401 is a deficient number, since it is larger than the sum of its proper divisors (1491044895).

3802978401 is a wasteful number, since it uses less digits than its factorization.

3802978401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30472.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 3802978401 is about 61668.2933199874. The cubic root of 3802978401 is about 1560.8983431158.

The spelling of 3802978401 in words is "three billion, eight hundred two million, nine hundred seventy-eight thousand, four hundred one".