2078374 has 4 divisors (see below), whose sum is σ = 3117564. Its totient is φ = 1039186.

The previous prime is 2078371. The next prime is 2078389. The reversal of 2078374 is 4738702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4738702 = 2 ⋅2369351.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519592 + ... + 519595.

It is an arithmetic number, because the mean of its divisors is an integer number (779391).

2^2078374 is an apocalyptic number.

2078374 is a deficient number, since it is larger than the sum of its proper divisors (1039190).

2078374 is a wasteful number, since it uses less digits than its factorization.

2078374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039189.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2078374 is about 1441.6566858999. The cubic root of 2078374 is about 127.6168146393.

The spelling of 2078374 in words is "two million, seventy-eight thousand, three hundred seventy-four".