3945454 has 8 divisors (see below), whose sum is σ = 5926968. Its totient is φ = 1969800.

The previous prime is 3945449. The next prime is 3945457. The reversal of 3945454 is 4545493.

It is a happy number.

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

It is a super-2 number, since 2×3945454² = 31133214532232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945457) 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, 1164 + ... + 3040.

It is an arithmetic number, because the mean of its divisors is an integer number (740871).

Almost surely, 2^3945454 is an apocalyptic number.

3945454 is a deficient number, since it is larger than the sum of its proper divisors (1981514).

3945454 is a wasteful number, since it uses less digits than its factorization.

3945454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930.

The product of its digits is 43200, while the sum is 34.

The square root of 3945454 is about 1986.3166917690. The cubic root of 3945454 is about 158.0152471533.

The spelling of 3945454 in words is "three million, nine hundred forty-five thousand, four hundred fifty-four".