4921494 has 32 divisors (see below), whose sum is σ = 10817280. Its totient is φ = 1485792.

The previous prime is 4921493. The next prime is 4921523. The reversal of 4921494 is 4941294.

It is a super-2 number, since 2×4921494² = 48442206384072, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921493) 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, 1684 + ... + 3560.

It is an arithmetic number, because the mean of its divisors is an integer number (338040).

Almost surely, 2^4921494 is an apocalyptic number.

4921494 is an abundant number, since it is smaller than the sum of its proper divisors (5895786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4921494 is a wasteful number, since it uses less digits than its factorization.

4921494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924.

The product of its digits is 10368, while the sum is 33.

The square root of 4921494 is about 2218.4440493283. Note that the first 3 decimals coincide. The cubic root of 4921494 is about 170.0979136062.

The spelling of 4921494 in words is "four million, nine hundred twenty-one thousand, four hundred ninety-four".