2978712 has 48 divisors (see below), whose sum is σ = 8803080. Its totient is φ = 902400.

The previous prime is 2978711. The next prime is 2978713. The reversal of 2978712 is 2178792.

It is an interprime number because it is at equal distance from previous prime (2978711) and next prime (2978713).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1089 + ... + 2672.

2^2978712 is an apocalyptic number.

2978712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2978712 is an abundant number, since it is smaller than the sum of its proper divisors (5824368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2978712 is a wasteful number, since it uses less digits than its factorization.

2978712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784 (or 3777 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 2978712 is about 1725.8945506606. The cubic root of 2978712 is about 143.8830068262.

It can be divided in two parts, 297 and 8712, that added together give a palindrome (9009).

The spelling of 2978712 in words is "two million, nine hundred seventy-eight thousand, seven hundred twelve".