2045397 has 8 divisors (see below), whose sum is σ = 2801056. Its totient is φ = 1326672.

The previous prime is 2045377. The next prime is 2045437. The reversal of 2045397 is 7935402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2045397 - 2⁶ = 2045333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045317) 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, 9103 + ... + 9324.

It is an arithmetic number, because the mean of its divisors is an integer number (350132).

2^2045397 is an apocalyptic number.

It is an amenable number.

2045397 is a deficient number, since it is larger than the sum of its proper divisors (755659).

2045397 is a wasteful number, since it uses less digits than its factorization.

2045397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18467.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2045397 is about 1430.1737656663. The cubic root of 2045397 is about 126.9382591996.

It can be divided in two parts, 2045 and 397, that added together give a palindrome (2442).

The spelling of 2045397 in words is "two million, forty-five thousand, three hundred ninety-seven".