3955455 has 48 divisors (see below), whose sum is σ = 8124480. Its totient is φ = 1741824.

The previous prime is 3955447. The next prime is 3955459. The reversal of 3955455 is 5545593.

It is not a de Polignac number, because 3955455 - 2³ = 3955447 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

3955455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8919 + ... + 9351.

It is an arithmetic number, because the mean of its divisors is an integer number (169260).

Almost surely, 2^3955455 is an apocalyptic number.

3955455 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3955455 is an abundant number, since it is smaller than the sum of its proper divisors (4169025).

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

3955455 is a wasteful number, since it uses less digits than its factorization.

3955455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 477 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

The square root of 3955455 is about 1988.8325721387. The cubic root of 3955455 is about 158.1486476946.

The spelling of 3955455 in words is "three million, nine hundred fifty-five thousand, four hundred fifty-five".