2963021 has 8 divisors (see below), whose sum is σ = 3158784. Its totient is φ = 2772880.

The previous prime is 2962991. The next prime is 2963027. The reversal of 2963021 is 1203692.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2963021 - 2¹⁰ = 2961997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2963027) 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, 290 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (394848).

2^2963021 is an apocalyptic number.

It is an amenable number.

2963021 is a deficient number, since it is larger than the sum of its proper divisors (195763).

2963021 is a wasteful number, since it uses less digits than its factorization.

2963021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2963021 is about 1721.3427898010. The cubic root of 2963021 is about 143.6299171069.

The spelling of 2963021 in words is "two million, nine hundred sixty-three thousand, twenty-one".