3938454 has 24 divisors (see below), whose sum is σ = 9190272. Its totient is φ = 1211760.

The previous prime is 3938449. The next prime is 3938471. The reversal of 3938454 is 4548393.

It is a super-2 number, since 2×3938454² = 31022839820232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8182 + ... + 8649.

It is an arithmetic number, because the mean of its divisors is an integer number (382928).

Almost surely, 2^3938454 is an apocalyptic number.

3938454 is an abundant number, since it is smaller than the sum of its proper divisors (5251818).

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

3938454 is a wasteful number, since it uses less digits than its factorization.

3938454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16852 (or 16849 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3938454 is about 1984.5538541446. The cubic root of 3938454 is about 157.9217419424.

The spelling of 3938454 in words is "three million, nine hundred thirty-eight thousand, four hundred fifty-four".