2946397 has 4 divisors (see below), whose sum is σ = 2950236. Its totient is φ = 2942560.

The previous prime is 2946373. The next prime is 2946407. The reversal of 2946397 is 7936492.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1153476 + 1792921 = 1074^2 + 1339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2946397 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2946337) 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, 328 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (737559).

2^2946397 is an apocalyptic number.

It is an amenable number.

2946397 is a deficient number, since it is larger than the sum of its proper divisors (3839).

2946397 is a wasteful number, since it uses less digits than its factorization.

2946397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838.

The product of its digits is 81648, while the sum is 40.

The square root of 2946397 is about 1716.5072094227. The cubic root of 2946397 is about 143.3608017784.

The spelling of 2946397 in words is "two million, nine hundred forty-six thousand, three hundred ninety-seven".