4987940 has 12 divisors (see below), whose sum is σ = 10474716. Its totient is φ = 1995168.

The previous prime is 4987921. The next prime is 4987943. The reversal of 4987940 is 497894.

4987940 = T₈₀₈ + T₈₀₉ + ... + T₈₂₂.

It can be written as a sum of positive squares in 2 ways, for example, as 2408704 + 2579236 = 1552^2 + 1606^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124679 + ... + 124718.

It is an arithmetic number, because the mean of its divisors is an integer number (872893).

Almost surely, 2^4987940 is an apocalyptic number.

It is an amenable number.

4987940 is an abundant number, since it is smaller than the sum of its proper divisors (5486776).

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

4987940 is a wasteful number, since it uses less digits than its factorization.

4987940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249406 (or 249404 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 4987940 is about 2233.3696514460. The cubic root of 4987940 is about 170.8600019176.

The spelling of 4987940 in words is "four million, nine hundred eighty-seven thousand, nine hundred forty".