1400079 has 16 divisors (see below), whose sum is σ = 1976832. Its totient is φ = 879648.

The previous prime is 1400051. The next prime is 1400081. The reversal of 1400079 is 9700041.

It is not a de Polignac number, because 1400079 - 2¹¹ = 1398031 is a prime.

It is a super-3 number, since 3×1400079³ = 8233393638638079117, which contains 333 as substring.

1400079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7009 + ... + 7205.

It is an arithmetic number, because the mean of its divisors is an integer number (123552).

2^1400079 is an apocalyptic number.

1400079 is a deficient number, since it is larger than the sum of its proper divisors (576753).

1400079 is a wasteful number, since it uses less digits than its factorization.

1400079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1400079 is about 1183.2493397421. The cubic root of 1400079 is about 111.8709983692.

The spelling of 1400079 in words is "one million, four hundred thousand, seventy-nine".