2947490 has 64 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 898560.

The previous prime is 2947487. The next prime is 2947499. The reversal of 2947490 is 947492.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2947490.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37271 + ... + 37349.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^2947490 is an apocalyptic number.

2947490 is an abundant number, since it is smaller than the sum of its proper divisors (3826270).

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

2947490 is a wasteful number, since it uses less digits than its factorization.

2947490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2947490 is about 1716.8255589896. The cubic root of 2947490 is about 143.3785267020.

The spelling of 2947490 in words is "two million, nine hundred forty-seven thousand, four hundred ninety".