2939145 has 32 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 1391040.

The previous prime is 2939143. The next prime is 2939149. The reversal of 2939145 is 5419392.

It is not a de Polignac number, because 2939145 - 2¹ = 2939143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

2939145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2939143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7566 + ... + 7944.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

2^2939145 is an apocalyptic number.

It is an amenable number.

2939145 is a deficient number, since it is larger than the sum of its proper divisors (2313975).

2939145 is a wasteful number, since it uses less digits than its factorization.

2939145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445.

The product of its digits is 9720, while the sum is 33.

The square root of 2939145 is about 1714.3934787557. The cubic root of 2939145 is about 143.2430866310.

The spelling of 2939145 in words is "two million, nine hundred thirty-nine thousand, one hundred forty-five".