6921454 has 8 divisors (see below), whose sum is σ = 10406088. Its totient is φ = 3452760.

The previous prime is 6921451. The next prime is 6921493. The reversal of 6921454 is 4541296.

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

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6921451) 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, 2832 + ... + 4675.

It is an arithmetic number, because the mean of its divisors is an integer number (1300761).

Almost surely, 2^6921454 is an apocalyptic number.

6921454 is a deficient number, since it is larger than the sum of its proper divisors (3484634).

6921454 is a wasteful number, since it uses less digits than its factorization.

6921454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7970.

The product of its digits is 8640, while the sum is 31.

The square root of 6921454 is about 2630.8656370100. The cubic root of 6921454 is about 190.5749344109.

The spelling of 6921454 in words is "six million, nine hundred twenty-one thousand, four hundred fifty-four".