2930421 has 16 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 1740480.

The previous prime is 2930419. The next prime is 2930449. The reversal of 2930421 is 1240392.

It is not a de Polignac number, because 2930421 - 2¹ = 2930419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2930401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165 + ... + 2426.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

2^2930421 is an apocalyptic number.

It is an amenable number.

2930421 is a deficient number, since it is larger than the sum of its proper divisors (1424139).

2930421 is a wasteful number, since it uses less digits than its factorization.

2930421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2930421 is about 1711.8472478583. The cubic root of 2930421 is about 143.1012209817.

The spelling of 2930421 in words is "two million, nine hundred thirty thousand, four hundred twenty-one".