3923490 has 16 divisors (see below), whose sum is σ = 9416448. Its totient is φ = 1046256.

The previous prime is 3923483. The next prime is 3923527. The reversal of 3923490 is 943293.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 130783 = 3923490 / (3 + 9 + 2 + 3 + 4 + 9 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65362 + ... + 65421.

It is an arithmetic number, because the mean of its divisors is an integer number (588528).

Almost surely, 2^3923490 is an apocalyptic number.

3923490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3923490 is an abundant number, since it is smaller than the sum of its proper divisors (5492958).

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

3923490 is a wasteful number, since it uses less digits than its factorization.

3923490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130793.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 3923490 is about 1980.7801493351. The cubic root of 3923490 is about 157.7214823002.

The spelling of 3923490 in words is "three million, nine hundred twenty-three thousand, four hundred ninety".