3880740 has 24 divisors (see below), whose sum is σ = 10866240. Its totient is φ = 1034848.

The previous prime is 3880733. The next prime is 3880757. The reversal of 3880740 is 470883.

It is a super-3 number, since 3×3880740³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3880698 and 3880707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32280 + ... + 32399.

It is an arithmetic number, because the mean of its divisors is an integer number (452760).

Almost surely, 2^3880740 is an apocalyptic number.

3880740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3880740 is an abundant number, since it is smaller than the sum of its proper divisors (6985500).

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

3880740 is a wasteful number, since it uses less digits than its factorization.

3880740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64691 (or 64689 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 3880740 is about 1969.9593904444. The cubic root of 3880740 is about 157.1465493033.

The spelling of 3880740 in words is "three million, eight hundred eighty thousand, seven hundred forty".