2378505 has 8 divisors (see below), whose sum is σ = 3805632. Its totient is φ = 1268528.

The previous prime is 2378501. The next prime is 2378507. The reversal of 2378505 is 5058732.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2378505 - 2² = 2378501 is a prime.

2378505 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2378501) 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, 79269 + ... + 79298.

It is an arithmetic number, because the mean of its divisors is an integer number (475704).

2^2378505 is an apocalyptic number.

It is an amenable number.

2378505 is a deficient number, since it is larger than the sum of its proper divisors (1427127).

2378505 is a wasteful number, since it uses less digits than its factorization.

2378505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158575.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2378505 is about 1542.2402536570. The cubic root of 2378505 is about 133.4856834933.

The spelling of 2378505 in words is "two million, three hundred seventy-eight thousand, five hundred five".