1458990 has 96 divisors (see below), whose sum is σ = 4324320. Its totient is φ = 338688.

The previous prime is 1458973. The next prime is 1458997. The reversal of 1458990 is 998541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1458997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33909 + ... + 33951.

It is an arithmetic number, because the mean of its divisors is an integer number (45045).

2^1458990 is an apocalyptic number.

1458990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1458990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2162160).

1458990 is an abundant number, since it is smaller than the sum of its proper divisors (2865330).

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

1458990 is a wasteful number, since it uses less digits than its factorization.

1458990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1458990 is about 1207.8865840798. The cubic root of 1458990 is about 113.4185537422.

It can be divided in two parts, 14589 and 90, that multiplied together give a triangular number (1313010 = T₁₆₂₀).

The spelling of 1458990 in words is "one million, four hundred fifty-eight thousand, nine hundred ninety".