4062921 has 4 divisors (see below), whose sum is σ = 5417232. Its totient is φ = 2708612.

The previous prime is 4062911. The next prime is 4062923. The reversal of 4062921 is 1292604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4062921 - 2⁵ = 4062889 is a prime.

It is a D-number.

4062921 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4062891 and 4062900.

It is not an unprimeable number, because it can be changed into a prime (4062923) 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, 677151 + ... + 677156.

It is an arithmetic number, because the mean of its divisors is an integer number (1354308).

Almost surely, 2^4062921 is an apocalyptic number.

It is an amenable number.

4062921 is a deficient number, since it is larger than the sum of its proper divisors (1354311).

4062921 is a wasteful number, since it uses less digits than its factorization.

4062921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354310.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 4062921 is about 2015.6688716156. The cubic root of 4062921 is about 159.5681191464.

The spelling of 4062921 in words is "four million, sixty-two thousand, nine hundred twenty-one".