3450387 has 16 divisors (see below), whose sum is σ = 4741632. Its totient is φ = 2231040.

The previous prime is 3450383. The next prime is 3450401. The reversal of 3450387 is 7830543.

It is not a de Polignac number, because 3450387 - 2² = 3450383 is a prime.

It is an alternating number because its digits alternate between odd and even.

3450387 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20578 + ... + 20744.

It is an arithmetic number, because the mean of its divisors is an integer number (296352).

Almost surely, 2^3450387 is an apocalyptic number.

3450387 is a deficient number, since it is larger than the sum of its proper divisors (1291245).

3450387 is a wasteful number, since it uses less digits than its factorization.

3450387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 3450387 is about 1857.5217360774. The cubic root of 3450387 is about 151.1086305140.

The spelling of 3450387 in words is "three million, four hundred fifty thousand, three hundred eighty-seven".