2961967 has 4 divisors (see below), whose sum is σ = 3117880. Its totient is φ = 2806056.

The previous prime is 2961953. The next prime is 2961979. The reversal of 2961967 is 7691692.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2961967 - 2⁷ = 2961839 is a prime.

It is an Ulam number.

It is a Duffinian number.

2961967 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961997) 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, 77928 + ... + 77965.

It is an arithmetic number, because the mean of its divisors is an integer number (779470).

2^2961967 is an apocalyptic number.

2961967 is a deficient number, since it is larger than the sum of its proper divisors (155913).

2961967 is a wasteful number, since it uses less digits than its factorization.

2961967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155912.

The product of its digits is 40824, while the sum is 40.

The square root of 2961967 is about 1721.0366062347. The cubic root of 2961967 is about 143.6128845033.

The spelling of 2961967 in words is "two million, nine hundred sixty-one thousand, nine hundred sixty-seven".