2078355 has 16 divisors (see below), whose sum is σ = 3354624. Its totient is φ = 1098720.

The previous prime is 2078347. The next prime is 2078357. The reversal of 2078355 is 5538702.

It is a happy number.

It is not a de Polignac number, because 2078355 - 2³ = 2078347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2078357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360 + ... + 2450.

It is an arithmetic number, because the mean of its divisors is an integer number (209664).

2^2078355 is an apocalyptic number.

2078355 is a deficient number, since it is larger than the sum of its proper divisors (1276269).

2078355 is a wasteful number, since it uses less digits than its factorization.

2078355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226.

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

The square root of 2078355 is about 1441.6500962439. The cubic root of 2078355 is about 127.6164257573.

The spelling of 2078355 in words is "two million, seventy-eight thousand, three hundred fifty-five".