3887426 has 16 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 1896384.

The previous prime is 3887399. The next prime is 3887449. The reversal of 3887426 is 6247883.

It is a super-2 number, since 2×3887426² = 30224161810952, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3887426.

It is a congruent number.

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, 23195 + ... + 23361.

It is an arithmetic number, because the mean of its divisors is an integer number (373464).

Almost surely, 2^3887426 is an apocalyptic number.

3887426 is a deficient number, since it is larger than the sum of its proper divisors (2087998).

3887426 is a wasteful number, since it uses less digits than its factorization.

3887426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its digits is 64512, while the sum is 38.

The square root of 3887426 is about 1971.6556494479. The cubic root of 3887426 is about 157.2367450744.

It can be divided in two parts, 3 and 887426, that multiplied together give a triangular number (2662278 = T₂₃₀₇).

The spelling of 3887426 in words is "three million, eight hundred eighty-seven thousand, four hundred twenty-six".