2978748 has 24 divisors (see below), whose sum is σ = 7722960. Its totient is φ = 992880.

The previous prime is 2978737. The next prime is 2978749. The reversal of 2978748 is 8478792.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978749) 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, 13683 + ... + 13898.

It is an arithmetic number, because the mean of its divisors is an integer number (321790).

2^2978748 is an apocalyptic number.

It is an amenable number.

2978748 is an abundant number, since it is smaller than the sum of its proper divisors (4744212).

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

2978748 is a wasteful number, since it uses less digits than its factorization.

2978748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27594 (or 27586 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2978748 is about 1725.9049800032. The cubic root of 2978748 is about 143.8835864690.

It can be divided in two parts, 297 and 8748, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 2978748 in words is "two million, nine hundred seventy-eight thousand, seven hundred forty-eight".