3345615 has 96 divisors (see below), whose sum is σ = 7687680. Its totient is φ = 1306368.

The previous prime is 3345611. The next prime is 3345659. The reversal of 3345615 is 5165433.

3345615 is a `hidden beast` number, since 3 + 3 + 45 + 615 = 666.

It is not a de Polignac number, because 3345615 - 2² = 3345611 is a prime.

It is a super-2 number, since 2×3345615² = 22386279456450, which contains 22 as substring.

It is an Ulam number.

Its product of digits (5400) is a multiple of the sum of its prime divisors (90).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3345611) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77784 + ... + 77826.

It is an arithmetic number, because the mean of its divisors is an integer number (80080).

Almost surely, 2^3345615 is an apocalyptic number.

3345615 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3345615 is an abundant number, since it is smaller than the sum of its proper divisors (4342065).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3345615 is a wasteful number, since it uses less digits than its factorization.

3345615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 90 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 3345615 is about 1829.1022388046. The cubic root of 3345615 is about 149.5633970856.

The spelling of 3345615 in words is "three million, three hundred forty-five thousand, six hundred fifteen".