2978437 has 16 divisors (see below), whose sum is σ = 3796992. Its totient is φ = 2268720.

The previous prime is 2978429. The next prime is 2978453. The reversal of 2978437 is 7348792.

2978437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2978437 - 2³ = 2978429 is a prime.

It is a Duffinian number.

2978437 is a lucky number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2978437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3208 + ... + 4030.

It is an arithmetic number, because the mean of its divisors is an integer number (237312).

2^2978437 is an apocalyptic number.

It is an amenable number.

2978437 is a deficient number, since it is larger than the sum of its proper divisors (818555).

2978437 is a wasteful number, since it uses less digits than its factorization.

2978437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888.

The product of its digits is 84672, while the sum is 40.

The square root of 2978437 is about 1725.8148799915. The cubic root of 2978437 is about 143.8785788447.

The spelling of 2978437 in words is "two million, nine hundred seventy-eight thousand, four hundred thirty-seven".