4969921 has 8 divisors (see below), whose sum is σ = 5537664. Its totient is φ = 4421520.

The previous prime is 4969901. The next prime is 4969931. The reversal of 4969921 is 1299694.

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 4969921 - 2⁷ = 4969793 is a prime.

It is a super-2 number, since 2×4969921² = 49400229492482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4969901) 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, 4290 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (692208).

Almost surely, 2^4969921 is an apocalyptic number.

It is an amenable number.

4969921 is a deficient number, since it is larger than the sum of its proper divisors (567743).

4969921 is a wasteful number, since it uses less digits than its factorization.

4969921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671.

The product of its digits is 34992, while the sum is 40.

The square root of 4969921 is about 2229.3319627189. The cubic root of 4969921 is about 170.6540089862.

The spelling of 4969921 in words is "four million, nine hundred sixty-nine thousand, nine hundred twenty-one".