3401978 has 8 divisors (see below), whose sum is σ = 5148468. Its totient is φ = 1685824.

The previous prime is 3401963. The next prime is 3402013. The reversal of 3401978 is 8791043.

It can be written as a sum of positive squares in 2 ways, for example, as 3396649 + 5329 = 1843^2 + 73^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7301 + ... + 7752.

Almost surely, 2^3401978 is an apocalyptic number.

3401978 is a deficient number, since it is larger than the sum of its proper divisors (1746490).

3401978 is a wasteful number, since it uses less digits than its factorization.

3401978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3401978 is about 1844.4451740293. The cubic root of 3401978 is about 150.3986138491.

The spelling of 3401978 in words is "three million, four hundred one thousand, nine hundred seventy-eight".