3455278 has 4 divisors (see below), whose sum is σ = 5182920. Its totient is φ = 1727638.

The previous prime is 3455269. The next prime is 3455281. The reversal of 3455278 is 8725543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8725543 = 2099 ⋅4157.

It is a d-powerful number, because it can be written as 3¹² + 4 + 5 + 5⁵ + 2²¹ + 7⁷ + 8 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863818 + ... + 863821.

It is an arithmetic number, because the mean of its divisors is an integer number (1295730).

Almost surely, 2^3455278 is an apocalyptic number.

3455278 is a deficient number, since it is larger than the sum of its proper divisors (1727642).

3455278 is a wasteful number, since it uses less digits than its factorization.

3455278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727641.

The product of its digits is 33600, while the sum is 34.

The square root of 3455278 is about 1858.8378089548. The cubic root of 3455278 is about 151.1799967472.

The spelling of 3455278 in words is "three million, four hundred fifty-five thousand, two hundred seventy-eight".