2901616 has 20 divisors (see below), whose sum is σ = 5663824. Its totient is φ = 1440000.

The previous prime is 2901607. The next prime is 2901617. The reversal of 2901616 is 6161092.

It is a super-2 number, since 2×2901616² = 16838750822912, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2901617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1816 + ... + 3016.

2^2901616 is an apocalyptic number.

It is an amenable number.

2901616 is a deficient number, since it is larger than the sum of its proper divisors (2762208).

2901616 is a wasteful number, since it uses less digits than its factorization.

2901616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2901616 is about 1703.4130444493. The cubic root of 2901616 is about 142.6307981373.

The spelling of 2901616 in words is "two million, nine hundred one thousand, six hundred sixteen".