3546887940 has 120 divisors (see below), whose sum is σ = 11485807872. Its totient is φ = 915312960.

The previous prime is 3546887923. The next prime is 3546887977. The reversal of 3546887940 is 497886453.

3546887940 is a `hidden beast` number, since 3 + 546 + 8 + 8 + 7 + 94 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14907 + ... + 85533.

Almost surely, 2^3546887940 is an apocalyptic number.

3546887940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3546887940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5742903936).

3546887940 is an abundant number, since it is smaller than the sum of its proper divisors (7938919932).

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

3546887940 is a wasteful number, since it uses less digits than its factorization.

3546887940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70679 (or 70668 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The square root of 3546887940 is about 59555.7548856532. The cubic root of 3546887940 is about 1525.0444046911.

The spelling of 3546887940 in words is "three billion, five hundred forty-six million, eight hundred eighty-seven thousand, nine hundred forty".