2896886391 has 8 divisors (see below), whose sum is σ = 4414303104. Its totient is φ = 1655363640.

The previous prime is 2896886389. The next prime is 2896886441. The reversal of 2896886391 is 1936886982.

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 2896886391 - 2¹ = 2896886389 is a prime.

It is a super-2 number, since 2×2896886391² = 16783901524722009762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2896886341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68973465 + ... + 68973506.

It is an arithmetic number, because the mean of its divisors is an integer number (551787888).

Almost surely, 2^2896886391 is an apocalyptic number.

2896886391 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2896886391 is a deficient number, since it is larger than the sum of its proper divisors (1517416713).

2896886391 is a wasteful number, since it uses less digits than its factorization.

2896886391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137946981.

The product of its digits is 8957952, while the sum is 60.

The square root of 2896886391 is about 53822.7311737336. The cubic root of 2896886391 is about 1425.5326033734.

The spelling of 2896886391 in words is "two billion, eight hundred ninety-six million, eight hundred eighty-six thousand, three hundred ninety-one".