3454978 has 16 divisors (see below), whose sum is σ = 5521824. Its totient is φ = 1615680.

The previous prime is 3454967. The next prime is 3454987. The reversal of 3454978 is 8794543.

It is a self number, because there is not a number n which added to its sum of digits gives 3454978.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10273 + ... + 10603.

It is an arithmetic number, because the mean of its divisors is an integer number (345114).

Almost surely, 2^3454978 is an apocalyptic number.

3454978 is a deficient number, since it is larger than the sum of its proper divisors (2066846).

3454978 is a wasteful number, since it uses less digits than its factorization.

3454978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its digits is 120960, while the sum is 40.

The square root of 3454978 is about 1858.7571116206. The cubic root of 3454978 is about 151.1756212853.

The spelling of 3454978 in words is "three million, four hundred fifty-four thousand, nine hundred seventy-eight".