1425390 has 16 divisors (see below), whose sum is σ = 3421008. Its totient is φ = 380096.

The previous prime is 1425371. The next prime is 1425427. The reversal of 1425390 is 935241.

It is a self number, because there is not a number n which added to its sum of digits gives 1425390.

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, 23727 + ... + 23786.

It is an arithmetic number, because the mean of its divisors is an integer number (213813).

2^1425390 is an apocalyptic number.

1425390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1425390 is an abundant number, since it is smaller than the sum of its proper divisors (1995618).

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

1425390 is a wasteful number, since it uses less digits than its factorization.

1425390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47523.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1425390 is about 1193.8969804803. The cubic root of 1425390 is about 112.5411207703.

The spelling of 1425390 in words is "one million, four hundred twenty-five thousand, three hundred ninety".