3900453394 has 8 divisors (see below), whose sum is σ = 5855865660. Its totient is φ = 1948498176.

The previous prime is 3900453353. The next prime is 3900453419. The reversal of 3900453394 is 4933540093.

It can be written as a sum of positive squares in 2 ways, for example, as 3899378025 + 1075369 = 62445^2 + 1037^2 .

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

It is a super-2 number, since 2×3900453394² = 30427073357532238472, which contains 22 as substring.

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, 861439 + ... + 865954.

Almost surely, 2^3900453394 is an apocalyptic number.

3900453394 is a deficient number, since it is larger than the sum of its proper divisors (1955412266).

3900453394 is a wasteful number, since it uses less digits than its factorization.

3900453394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728524.

The product of its (nonzero) digits is 174960, while the sum is 40.

The square root of 3900453394 is about 62453.6099356955. The cubic root of 3900453394 is about 1574.1219116845.

The spelling of 3900453394 in words is "three billion, nine hundred million, four hundred fifty-three thousand, three hundred ninety-four".