7954021 has 8 divisors (see below), whose sum is σ = 8352000. Its totient is φ = 7560432.

The previous prime is 7954013. The next prime is 7954031. The reversal of 7954021 is 1204597.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7954021 - 2³ = 7954013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7954031) 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, 2980 + ... + 4978.

It is an arithmetic number, because the mean of its divisors is an integer number (1044000).

Almost surely, 2^7954021 is an apocalyptic number.

It is an amenable number.

7954021 is a deficient number, since it is larger than the sum of its proper divisors (397979).

7954021 is a wasteful number, since it uses less digits than its factorization.

7954021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 7954021 is about 2820.2873967027. The cubic root of 7954021 is about 199.6161052623.

The spelling of 7954021 in words is "seven million, nine hundred fifty-four thousand, twenty-one".