3457738 has 8 divisors (see below), whose sum is σ = 5194980. Its totient is φ = 1726080.

The previous prime is 3457723. The next prime is 3457763. The reversal of 3457738 is 8377543.

It can be written as a sum of positive squares in 2 ways, for example, as 2024929 + 1432809 = 1423^2 + 1197^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3457697 and 3457706.

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, 928 + ... + 2788.

Almost surely, 2^3457738 is an apocalyptic number.

3457738 is a deficient number, since it is larger than the sum of its proper divisors (1737242).

3457738 is a wasteful number, since it uses less digits than its factorization.

3457738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792.

The product of its digits is 70560, while the sum is 37.

The square root of 3457738 is about 1859.4993949986. The cubic root of 3457738 is about 151.2158659853.

The spelling of 3457738 in words is "three million, four hundred fifty-seven thousand, seven hundred thirty-eight".